Bridge Statistics for Ludington, Michigan (MI)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 13,  Location: 1 MI N 6.5 MI W OF SPRUCE (Lat: 44.859072,  Lng: -83.595258),  Route carried "on" structure: County highway ,  Year Built: 1955,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 1,730 (year 2003),  Average Future Daily Traffic: 2,375 (year 2023),  Features Intersected: THUNDER BAY RIVER,  Facility Carried by Structure: HURBERT ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.614,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 3.9m (12.8ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Channel: Fair,  Culverts: Poor,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 71.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.05m (10.01ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $675,000,  Roadway Improvement Cost: $80,000,  Total Project Cost: $90,000

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Structure Number: 202,  Location: JUST SOUTH OF 102ND AVE (Lat: 42.433186,  Lng: -85.744758),  Route carried "on" structure: County highway 306,  Year Built: 1968,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 1,565 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 3,130 (year 2023),  Design Load: HS 20+Mod,  Features Intersected: PINE CREEK,  Facility Carried by Structure: 21ST STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.557,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 54.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 213,  Location: APPROX 1/4MI N OF 104TH A (Lat: 42.450233,  Lng: -86.158319),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Posted for load,  Structure Length: 0.77m (2.53ft),  Average Daily Traffic: 32 (year 2002),  Truck Traffic: 7%,  Average Future Daily Traffic: 64 (year 2022),  Design Load: H 20,  Features Intersected: SPICEBUSH CREEK,  Facility Carried by Structure: 63RD STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 3.455,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Serious,  Operating Rating: 33.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 19.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 12 months,  Inspection Date: April 2021

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Structure Number: 241,  Location: APPROX 1/8MI W OF 50TH ST (Lat: 42.740167,  Lng: -86.039686),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 1.11m (3.64ft),  Average Daily Traffic: 147 (year 2002),  Truck Traffic: 7%,  Average Future Daily Traffic: 294 (year 2022),  Design Load: H 20,  Features Intersected: S BR MACATAWA RIVER,  Facility Carried by Structure: 144TH AVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.652,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.0m (16.4ft)

Condition: Channel: Fair,  Culverts: Poor,  Operating Rating: 22.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021

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Structure Number: 669,  Location: 2.0 MI W OF BAY CITY (Lat: 43.595633,  Lng: -83.952292),  Route carried "on" structure: County highway 2008,  Year Built: 1958,  Status: Open,  Structure Length: 6.61m (21.69ft),  Average Daily Traffic: 4,626 (year 1997),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,555 (year 1977),  Design Load: H 15,  Features Intersected: US-10,  Facility Carried by Structure: THREE MILE RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.416,  Lanes on structure: 2,  Lanes under structure: 5,  Owner: State Highway Agency,  Approaching Roadway Width: 11.8m (38.7ft),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.5m (64.0ft),  Curb or Sidewalk Widths: Left: 0.7m (2.3ft),  Right: 0.7m (2.3ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $77,000,  Roadway Improvement Cost: $8,000,  Total Project Cost: $91,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 1298,  Location: ATHENS TWP SEC 21 (Lat: 42.110553,  Lng: -85.252539),  Route carried "on" structure: County highway 1312,  Year Built: 1957,  Status: Posted for load,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 865 (year 1995),  Truck Traffic: 14%,  Average Future Daily Traffic: 1,548 (year 2023),  Design Load: H 15,  Features Intersected: PINE CREEK,  Facility Carried by Structure: S DR SO
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.053,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 18.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 11.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 1299,  Location: HOMER TWP SEC 8 (Lat: 42.130167,  Lng: -84.796283),  Route carried "on" structure: County highway 1316,  Year Built: 1973,  Year Reconstructed: 2019,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 681 (year 1995),  Truck Traffic: 14%,  Average Future Daily Traffic: 1,219 (year 2023),  Design Load: HL 93,  Features Intersected: LAMPSON RUN,  Facility Carried by Structure: P DRIVE SOUTH
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.525,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.7m (31.8ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 47.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 36.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1301,  Location: ALBION TWP SEC 32 (Lat: 42.159369,  Lng: -84.805103),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Posted for load,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 1,130 (year 1995),  Truck Traffic: 14%,  Average Future Daily Traffic: 2,022 (year 2023),  Design Load: H 15,  Features Intersected: S BR KALAMAZOO RIVER,  Facility Carried by Structure: L DR SO
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.993,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 34.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 20.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1545,  Location: SEC 3 T34N R1E (Lat: 45.364339,  Lng: -84.298322),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 3.26m (10.70ft),  Average Daily Traffic: 420 (year 2005),  Average Future Daily Traffic: 750 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: BLACK RIVER,  Facility Carried by Structure: BARCLAY AVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.043,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.6m (34.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 52.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 2311,  Location: 2.1 MI W OF INGHAM CO LIN (Lat: 42.670336,  Lng: -84.644550),  Route carried "on" structure: Interstate 96,  Year Built: 1962,  Status: Open,  Structure Length: 9.22m (30.25ft),  Average Daily Traffic: 21,057 (year 2007),  Truck Traffic: 16%,  Average Future Daily Traffic: 24,047 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: GRAND RIV & BILLWOOD HWY
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 11.739,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 56,  Subroute: 6),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 9.9m (32.5ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 62.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 15 months,  Inspection Date: July 2021,  Critical Feature Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 2411,  Location: 3 MI SE OF SUNFIELD (Lat: 42.726653,  Lng: -84.960950),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 299 (year 2010),  Average Future Daily Traffic: 500 (year 2013),  Design Load: HS 20,  Features Intersected: WINCHELL & UNION DRAIN,  Facility Carried by Structure: ST JOE HWY
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.876,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.0m (29.5ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 64.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021

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Structure Number: 6631,  Location: 0.6 MI N OF LUDINGTON (Lat: 43.978392,  Lng: -86.459500),  Route carried "on" structure: State highway 116,  Year Built: 1934,  Year Reconstructed: 1993,  Status: Open,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 4,764 (year 2007),  Truck Traffic: 2%,  Average Future Daily Traffic: 7,929 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: LINCOLN RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.794,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 70.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2020,  Underwater Inspection Date: June 2020,  Bridge Improvement Cost: $61,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6636,  Location: 2.3 MI S OF US-10 (Lat: 43.928181,  Lng: -86.417622),  Route carried "on" structure: Alternate US 31,  Year Built: 1924,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 6,828 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 8,942 (year 2018),  Design Load: H 15,  Features Intersected: PERE MARQUETTE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.890,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 21,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.6m (74.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 87.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 50.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6637,  Location: 1.9 MI S OF US-10 (Lat: 43.932597,  Lng: -86.417272),  Route carried "on" structure: Alternate US 31,  Year Built: 1925,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 7,076 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 11,830 (year 2018),  Design Load: H 15,  Features Intersected: PERE MARQUETTE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 13.382,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 21,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.6m (74.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 81.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 48.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6639,  Location: 0.4 MI S OF US-10 (Lat: 43.950325,  Lng: -86.415714),  Route carried "on" structure: Alternate US 31,  Year Built: 1935,  Year Reconstructed: 2021,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 11,200 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 12,375 (year 2041),  Design Load: HS 25 or greater,  Features Intersected: CSX RR
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 15.363,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.8m (51.8ft),  Curb-To-Curb Width: 13.7m (44.9ft),  Out-to-Out Width: 14.8m (48.6ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Satisfactory,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 4 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $67,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6645,  Location: 3.6 MI SE OF LUDINGTON (Lat: 43.927319,  Lng: -86.383822),  Route carried "on" structure: US 31,  Year Built: 1989,  Status: Open,  Structure Length: 12.19m (39.99ft),  Average Daily Traffic: 2,498 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,385 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: PERE MARQUETTE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 14.414,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 190,  Subroute: 9),  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 46.3m (151.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 68.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 41.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6647,  Location: 3.1 MI E OF LUDINGTON (Lat: 43.951369,  Lng: -86.384561),  Route carried "on" structure: US 31,  Year Built: 1988,  Status: Open,  Structure Length: 4.29m (14.07ft),  Average Daily Traffic: 2,498 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,385 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: CSX RR
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 17.085,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 190,  Subroute: 9),  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 19.2m (63.0ft),  Out-to-Out Width: 20.1m (65.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 81.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 48.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6648,  Location: 3.1 MI E OF LUDINGTON (Lat: 43.951358,  Lng: -86.385100),  Route carried "on" structure: US 31,  Year Built: 1988,  Status: Open,  Structure Length: 4.29m (14.07ft),  Average Daily Traffic: 2,498 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,385 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: CSX RR
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 17.063,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 190,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 17.6m (57.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 69.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6651,  Location: 3.6 MI S OF LUDINGTON (Lat: 43.906269,  Lng: -86.417003),  Route carried "on" structure: County highway 5324,  Year Built: 1986,  Status: Open,  Structure Length: 9.32m (30.58ft),  Average Daily Traffic: 1,500 (year 1982),  Average Future Daily Traffic: 1,500 (year 1977),  Design Load: HS 25 or greater,  Features Intersected: US-31,  Facility Carried by Structure: CHAUVEZ RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.211,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 34.4m (112.9ft),  Curb-To-Curb Width: 11.5m (37.7ft),  Out-to-Out Width: 12.5m (41.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 48.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6652,  Location: 3.5 MI SE OF LUDINGTON (Lat: 43.915183,  Lng: -86.403114),  Route carried "on" structure: US 31,  Year Built: 1986,  Status: Open,  Structure Length: 3.44m (11.29ft),  Average Daily Traffic: 4,256 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,385 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: OLD US-31
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.196,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 190,  Subroute: 9),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 34.4m (112.9ft),  Curb-To-Curb Width: 13.6m (44.6ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 73.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 44.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6653,  Location: 3.5 MI SE OF LUDINGTON (Lat: 43.915428,  Lng: -86.403483),  Route carried "on" structure: US 31,  Year Built: 1986,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 4,256 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 3,385 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: OLD US-31
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.204,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes (Inventory Route: 190,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.3m (92.8ft),  Curb-To-Curb Width: 13.6m (44.6ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 74.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 44.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6654,  Location: 3.4 MI E OF LUDINGTON (Lat: 43.934436,  Lng: -86.383686),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 8.96m (29.40ft),  Average Daily Traffic: 420 (year 1978),  Average Future Daily Traffic: 420 (year 1977),  Design Load: HS 20,  Features Intersected: US-31,  Facility Carried by Structure: CONRAD RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.908,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 10.9m (35.8ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 69.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 41.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 666,  Location: 4 MI S OF LUDINGTON (Lat: 43.893122,  Lng: -86.442533),  Route carried "on" structure: County highway 5317,  Year Built: 1970,  Status: Open,  Structure Length: 26.58m (87.20ft),  Average Daily Traffic: 1,400 (year 1997),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,000 (year 2017),  Design Load: HS 20+Mod,  Features Intersected: PUMPED STORAGE PENSTOCKS,  Facility Carried by Structure: LAKESHORE DRIVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.196,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.5m (37.7ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 33.2m (108.9ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 60.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 6675,  Location: 5 MI N OF LUDINGTON (Lat: 44.028217,  Lng: -86.456447),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 3,000 (year 1997),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,500 (year 2017),  Design Load: HS 20+Mod,  Features Intersected: M BAYOU HAMLIN LAKE,  Facility Carried by Structure: LAKESHORE DRIVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 8.412,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 71.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 669,  Location: IN LUDINGTON (Lat: 43.947614,  Lng: -86.439406),  Route carried "on" structure: City street ,  Year Built: 2013,  Status: Open,  Structure Length: 6.43m (21.10ft),  Average Daily Traffic: 6,340 (year 2012),  Truck Traffic: 23%,  Average Future Daily Traffic: 7,010 (year 2032),  Design Load: Greater than HL93,  Features Intersected: PERE MARQUETTE LK BAYOU,  Facility Carried by Structure: WASHINGTON AVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.718,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Navigation Control: Yes ( Vertical Clearance: 2.5m (8.2ft), Horizontal Clearance: 20.9m (68.6ft)),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.8m (68.2ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 81.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 62.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6829,  Location: 5.5 MI. W OF LONGRIE (Lat: 45.420697,  Lng: -87.842411),  Route carried "on" structure: County highway ,  Year Built: 1927,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 165 (year 1998),  Truck Traffic: 2%,  Average Future Daily Traffic: 190 (year 2019),  Features Intersected: LONG LAKE,  Facility Carried by Structure: COUNTY ROAD 352
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.686,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 54.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $10,000,  Total Project Cost: $118,000

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Structure Number: 8327,  Location: 1.5 MI S OF ROTHBURY (Lat: 43.477594,  Lng: -86.347358),  Route carried "on" structure: US 31,  Year Built: 1974,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 6,360 (year 2007),  Truck Traffic: 9%,  Average Future Daily Traffic: 7,766 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: OCEANA DRIVE (OLD US-31)
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.975,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 154,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 72.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.35m (10.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $81,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $50,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 8878,  Location: SECTION 12 CROCKERY TWP (Lat: 43.100003,  Lng: -86.041053),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 180 (year 2040),  Design Load: H 20,  Features Intersected: CROCKERY CREEK,  Facility Carried by Structure: WALNUT DR
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.849,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 49.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 9595,  Location: SEC 8-17 ELK TWP (Lat: 43.301244,  Lng: -82.861897),  Route carried "on" structure: County highway ,  Year Built: 1981,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 230 (year 2010),  Truck Traffic: 10%,  Average Future Daily Traffic: 415 (year 2030),  Design Load: H 20,  Features Intersected: MCDONALD DRAIN,  Facility Carried by Structure: STILSON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.045,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.2m (20.3ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 26.5m (86.9ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 84.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020

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Structure Number: 9596,  Location: SEC 9-16 ELK TWP (Lat: 43.301622,  Lng: -82.842419),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 201 (year 2014),  Truck Traffic: 10%,  Average Future Daily Traffic: 363 (year 2034),  Design Load: HS 20,  Features Intersected: MCDONALD DRAIN,  Facility Carried by Structure: STILSON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 6.628,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.6m (31.5ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Poor,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 58.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 13615,  Location: 0.25 MI N OF DEWEY ROAD (Lat: 44.025833,  Lng: -86.440000),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 300 (year 2011),  Truck Traffic: 5%,  Average Future Daily Traffic: 400 (year 2021),  Design Load: HS 20,  Features Intersected: TRIB TO MIDDLE BAYOU,  Facility Carried by Structure: LINCOLN ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.424,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.5m (24.6ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.2m (20.3ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 49.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 36.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 6651,  Location: 3.6 MI S OF LUDINGTON (Lat: 43.906269,  Lng: -86.417003),  Route carried "under" structure: US 31,  Year Built: 1986,  Structure Length: 0. m,  Average Daily Traffic: 8,512 (year 2007),  Truck Traffic: 9%,  Features Intersected: US-31,  Facility Carried by Structure: CHAUVEZ RD
Minimum Vertical Clearance: 5.72m (18.77ft),  Kilometerpoint: 10.641,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 34.4m (112.9ft)

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Structure Number: 6652,  Location: 3.5 MI SE OF LUDINGTON (Lat: 43.915183,  Lng: -86.403114),  Route carried "under" structure: Alternate US 31,  Year Built: 1986,  Structure Length: 0. m,  Average Daily Traffic: 6,828 (year 2007),  Truck Traffic: 7%,  Features Intersected: OLD US-31
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 10.904,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 34.4m (112.9ft)

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Structure Number: 6653,  Location: 3.5 MI SE OF LUDINGTON (Lat: 43.915428,  Lng: -86.403483),  Route carried "under" structure: Alternate US 31,  Year Built: 1986,  Structure Length: 0. m,  Average Daily Traffic: 6,828 (year 2007),  Truck Traffic: 7%,  Features Intersected: OLD US-31
Minimum Vertical Clearance: 4.50m (14.76ft),  Kilometerpoint: 10.944,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.3m (92.8ft)

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Structure Number: 6654,  Location: 3.4 MI E OF LUDINGTON (Lat: 43.934436,  Lng: -86.383686),  Route carried "under" structure: US 31,  Year Built: 1987,  Structure Length: 0. m,  Average Daily Traffic: 4,996 (year 2007),  Truck Traffic: 15%,  Features Intersected: US-31,  Facility Carried by Structure: CONRAD RD
Minimum Vertical Clearance: 5.59m (18.34ft),  Kilometerpoint: 15.204,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 45.1m (148.0ft)

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Structure Number: 6655,  Location: 3 MI E OF LUDINGTON (Lat: 43.956044,  Lng: -86.384458),  Route carried "under" structure: Alternate US 31,  Year Built: 1987,  Structure Length: 0. m,  Average Daily Traffic: 18,702 (year 2007),  Truck Traffic: 3%,  Features Intersected: US-10 & US-31
Minimum Vertical Clearance: 5.11m (16.77ft),  Kilometerpoint: 5.435,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.8m (120.7ft)

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Structure Number: 6699,  Location: 2.8 MI N OF MORLEY (Lat: 43.528478,  Lng: -85.441964),  Route carried "under" structure: US 131,  Year Built: 1931,  Structure Length: 0. m,  Average Daily Traffic: 4,544 (year 2007),  Truck Traffic: 5%,  Features Intersected: US-131 (OLD),  Facility Carried by Structure: MDOT RR COR (ABN)
Minimum Vertical Clearance: 4.27m (14.01ft),  Kilometerpoint: 6.827,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 21.9m (71.9ft)