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

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Structure Number: 857,  Location: IN CITY OF NILES (Lat: 41.829839,  Lng: -86.259903),  Route carried "on" structure: Business State highway 139,  Year Built: 2015,  Status: Open,  Structure Length: 11.22m (36.81ft),  Average Daily Traffic: 9,950 (year 2008),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,520 (year 2035),  Design Load: Greater than HL93,  Features Intersected: ST JOSEPH RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.613,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 136,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.7m (120.4ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Fair,  Operating Rating: 60.6 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: 34.7 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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: July 2020,  Underwater Inspection Date: July 2017,  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: 872,  Location: 0.2 MI N OF US-12 (Lat: 41.804128,  Lng: -86.248256),  Route carried "on" structure: Business US 31,  Year Built: 2005,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 20,190 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 23,592 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: BRANDYWINE CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.881,  Lanes on structure: 5,  Base Highway Network: Yes (Inventory Route: 136,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 19.4m (63.6ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 19.4m (63.6ft),  Out-to-Out Width: 28.5m (93.5ft)

Condition: Channel: Fair,  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: 63.2 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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Other Coated Reinforcing

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Structure Number: 873,  Location: 0.76 MI S OF M-140 (Lat: 41.845111,  Lng: -86.262586),  Route carried "on" structure: Business State highway 139,  Year Built: 2012,  Status: Open,  Structure Length: 5.33m (17.49ft),  Average Daily Traffic: 8,000 (year 2011),  Truck Traffic: 3%,  Average Future Daily Traffic: 9,300 (year 2031),  Design Load: HL 93,  Features Intersected: DOWAGIAC RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.772,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 136,  Subroute: 9),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 25.8m (84.6ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Fair,  Operating Rating: 59.0 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: 43.7 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: Equal to present desirable criteria,  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,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 888,  Location: 2.0 MI SW OF NILES (Lat: 41.805389,  Lng: -86.316239),  Route carried "on" structure: US 31,  Year Built: 1978,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 9,550 (year 2019),  Truck Traffic: 14%,  Average Future Daily Traffic: 10,600 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: US-12
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.271,  Lanes on structure: 3,  Lanes under structure: 6,  Base Highway Network: Yes (Inventory Route: 177,  Subroute: 3),  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 37.5m (123.0ft),  Curb-To-Curb Width: 15.9m (52.2ft),  Out-to-Out Width: 17.2m (56.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 82.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 49.2 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: Better than 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: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 918,  Location: 0.8 MI S OF NILES (Lat: 41.801267,  Lng: -86.248297),  Route carried "on" structure: US 12,  Year Built: 1955,  Status: Open,  Structure Length: 4.79m (15.72ft),  Average Daily Traffic: 7,473 (year 2014),  Truck Traffic: 10%,  Average Future Daily Traffic: 8,594 (year 2034),  Design Load: HS 20,  Features Intersected: M-51
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 6.753,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes (Inventory Route: 311,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.0m (78.7ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 60.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.3 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: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 4.79m (15.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Bridge Improvement Cost: $233,000,  Roadway Improvement Cost: $6,000,  Total Project Cost: $70,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 964,  Location: 1.0 MI N OF NILES (Lat: 41.865358,  Lng: -86.241936),  Route carried "on" structure: County highway 1126,  Year Built: 1985,  Status: Open,  Structure Length: 4.57m (14.99ft),  Average Daily Traffic: 2,533 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,680 (year 2027),  Design Load: HS 20,  Features Intersected: DOWAGIAC CREEK,  Facility Carried by Structure: PUCKER STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.542,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 22.5m (73.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.9 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: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up

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Structure Number: 995,  Location: 0.5 MI S OF NILES (Lat: 41.804678,  Lng: -86.254475),  Route carried "on" structure: County highway 2010,  Year Built: 1982,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 5,588 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 8,000 (year 2027),  Design Load: H 20,  Features Intersected: BRANDYWINE CREEK,  Facility Carried by Structure: THIRD STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.922,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.7m (31.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.3 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020

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Structure Number: 102,  Location: 1 MI W OF NILES (Lat: 41.812958,  Lng: -86.293361),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 5.03m (16.50ft),  Average Daily Traffic: 97 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 240 (year 2027),  Design Load: HS 20,  Features Intersected: AMTRAK RAILROAD,  Facility Carried by Structure: WEISER ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.370,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 87.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 52.8 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,  Approach Roadway Alignment: Equal to present minimum 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,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 1021,  Location: 3 MI N OF NILES (Lat: 41.884581,  Lng: -86.224933),  Route carried "on" structure: County highway ,  Year Built: 1959,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 99 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 200 (year 2024),  Design Load: H 15,  Features Intersected: DOWAGIAC RIVER,  Facility Carried by Structure: KINZIE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.447,  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: 1,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 63.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.9 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 1.89m (6.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $39,000,  Roadway Improvement Cost: $11,000,  Total Project Cost: $50,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1022,  Location: 0.25 MI S OF NILES (Lat: 41.809839,  Lng: -86.239828),  Route carried "on" structure: County highway ,  Year Built: 1993,  Status: Open,  Structure Length: 1.03m (3.38ft),  Average Daily Traffic: 614 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 880 (year 2027),  Design Load: HS 20,  Features Intersected: BRANDYWINE CREEK,  Facility Carried by Structure: 15TH STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.821,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.7m (31.8ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 50.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 30.1 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1023,  Location: 0.30 MI S OF NILES (Lat: 41.807903,  Lng: -86.245553),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Posted for load,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 147 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 300 (year 2027),  Design Load: H 15,  Features Intersected: BRANDYWINE CREEK,  Facility Carried by Structure: FERNDALE STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.542,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.1m (6.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Channel: Satisfactory,  Culverts: Serious,  Operating Rating: 24.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 14.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.52m (4.99ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $470,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $670,000

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Structure Number: 1057,  Location: CITY OF NILES (Lat: 41.827192,  Lng: -86.269192),  Route carried "on" structure: City street 2010,  Year Built: 1984,  Status: Open,  Structure Length: 3.64m (11.94ft),  Average Daily Traffic: 7,950 (year 2015),  Truck Traffic: 4%,  Average Future Daily Traffic: 9,143 (year 2035),  Design Load: HS 20+Mod,  Features Intersected: AMTRAK RAILROAD,  Facility Carried by Structure: GRANT STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.843,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 53.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  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: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 1058,  Location: CITY OF NILES (Lat: 41.827753,  Lng: -86.257675),  Route carried "on" structure: City street 2010,  Year Built: 1947,  Year Reconstructed: 1988,  Status: Posted for load,  Structure Length: 9.14m (29.99ft),  Average Daily Traffic: 15,483 (year 2022),  Truck Traffic: 4%,  Average Future Daily Traffic: 18,892 (year 2042),  Design Load: H 20,  Features Intersected: ST. JOSEPH RIVER,  Facility Carried by Structure: BROADWAY STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 10.814,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 18.2m (59.7ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 46.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: July 2020,  Underwater Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete

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Structure Number: 1059,  Location: CITY OF NILES (Lat: 41.841353,  Lng: -86.240903),  Route carried "on" structure: City street 2010,  Year Built: 1984,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 5,024 (year 2002),  Truck Traffic: 4%,  Average Future Daily Traffic: 9,975 (year 2009),  Design Load: HS 20+Mod,  Features Intersected: AMTRAK RAILROAD,  Facility Carried by Structure: LAKE STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.615,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 18.1m (59.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 50.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  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: Bituminous

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Structure Number: 142,  Location: IN POKAGON (Lat: 41.915775,  Lng: -86.175617),  Route carried "on" structure: State highway 51,  Year Built: 1931,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 5,100 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,966 (year 2018),  Design Load: H 15,  Features Intersected: POKAGON CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.652,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.2m (13.8ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 47.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 28.2 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,  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,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1439,  Location: 0.3 MI NE OF BERRIEN COL (Lat: 41.807628,  Lng: -86.220939),  Route carried "on" structure: US 12,  Year Built: 1960,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 9,010 (year 2016),  Truck Traffic: 8%,  Average Future Daily Traffic: 10,362 (year 2036),  Design Load: HS 20,  Features Intersected: M-60
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.602,  Lanes on structure: 4,  Lanes under structure: 6,  Base Highway Network: Yes (Inventory Route: 59,  Subroute: 6),  Owner: State Highway Agency,  Approaching Roadway Width: 21.3m (69.9ft),  Skew: 20 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.4m (63.6ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 18.6m (61.0ft),  Out-to-Out Width: 21.9m (71.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 57.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.3 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: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Membrane: Preformed Fabric

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Structure Number: 1446,  Location: 0.5 MI W OF SUMNERVILLE (Lat: 41.913100,  Lng: -86.212978),  Route carried "on" structure: County highway 1407,  Year Built: 1959,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 991 (year 2019),  Average Future Daily Traffic: 1,200 (year 2039),  Design Load: HS 20+Mod,  Features Intersected: DOWAGIAC RIVER,  Facility Carried by Structure: INDIAN LAKE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.278,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 66.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1451,  Location: 1.5 MI E OF M-51 (Lat: 41.881397,  Lng: -86.194722),  Route carried "on" structure: County highway ,  Year Built: 1919,  Status: Open,  Structure Length: 5.15m (16.90ft),  Average Daily Traffic: 30 (year 2004),  Average Future Daily Traffic: 45 (year 2024),  Design Load: HS 20+Mod,  Features Intersected: ABANDONED RR ROW,  Facility Carried by Structure: THOMPSON
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.769,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 10.6m (34.8ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 67.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 40.2 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,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 12 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other

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Structure Number: 1455,  Location: IN SUMNERVILLE (Lat: 41.913986,  Lng: -86.204553),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 82 (year 2006),  Average Future Daily Traffic: 100 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: POKAGON CREEK,  Facility Carried by Structure: WOOD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.198,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 5.7m (18.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 63.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to 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: October 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 13097,  Location: 3 MI NW OF NILES (Lat: 41.871494,  Lng: -86.293456),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 3,773 (year 2006),  Truck Traffic: 8%,  Average Future Daily Traffic: 4,000 (year 2027),  Design Load: HS 20,  Features Intersected: SPRING VALLEY DRAIN,  Facility Carried by Structure: WALTON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.138,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 139,  Subroute: 2),  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft)

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: 97.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020

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Structure Number: 13551,  Location: HOWARD TWP SEC 7 (Lat: 41.878778,  Lng: -86.209278),  Route carried "on" structure: County highway ,  Year Built: 1919,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 100 (year 2009),  Truck Traffic: 3%,  Average Future Daily Traffic: 149 (year 2029),  Features Intersected: MCKINZIE CREEK,  Facility Carried by Structure: BURTON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.767,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.3m (20.7ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 43.4 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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: October 2020,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 13584,  Location: POKAGON TWP SEC 28/33 (Lat: 41.912667,  Lng: -86.172361),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 2,590 (year 2009),  Truck Traffic: 5%,  Average Future Daily Traffic: 3,488 (year 2029),  Design Load: HS 20+Mod,  Features Intersected: POKAGON CREEK,  Facility Carried by Structure: POKAGON RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.602,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 59,  Subroute: 6),  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 1.5m (4.9ft),  Curb-To-Curb Width: 9.9m (32.5ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 71.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 52.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 13944,  Location: 0.88 MI NE OF M-51 (Lat: 41.801833,  Lng: -86.231306),  Route carried "on" structure: US 12,  Year Built: 1957,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 14,100 (year 2014),  Truck Traffic: 8%,  Average Future Daily Traffic: 16,200 (year 2034),  Design Load: HS 20,  Features Intersected: BRANDYWINE CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 41.280,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 135,  Subroute: 7),  Owner: State Highway Agency,  Approaching Roadway Width: 33.5m (109.9ft),  Skew: 23 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 33.5m (109.9ft),  Out-to-Out Width: 65.2m (213.9ft)

Condition: Channel: Fair,  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: 97.2 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: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 879,  Location: IN NILES (N FRONT STREET) (Lat: 41.835447,  Lng: -86.258564),  Route carried "under" structure: Business State highway 139,  Year Built: 1899,  Structure Length: 0. m,  Average Daily Traffic: 10,722 (year 2007),  Truck Traffic: 2%,  Features Intersected: M-139 & ST JOSEPH RIV,  Facility Carried by Structure: AMTRAK
Minimum Vertical Clearance: 7.92m (25.98ft),  Kilometerpoint: 0.613,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Truss - Deck,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 888,  Location: 2.0 MI SW OF NILES (Lat: 41.805389,  Lng: -86.316239),  Route carried "under" structure: US 12,  Year Built: 1978,  Structure Length: 0. m,  Average Daily Traffic: 8,363 (year 2019),  Truck Traffic: 10%,  Features Intersected: US-12,  Facility Carried by Structure: US-31 NB
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 34.129,  Lanes on structure: 3,  Lanes under structure: 6,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.5m (123.0ft)

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Structure Number: 917,  Location: 0.8 MI S OF NILES (Lat: 41.801086,  Lng: -86.248300),  Route carried "under" structure: State highway 51,  Year Built: 1955,  Structure Length: 0. m,  Average Daily Traffic: 23,240 (year 2007),  Truck Traffic: 3%,  Features Intersected: M-51,  Facility Carried by Structure: US-12 EB
Minimum Vertical Clearance: 4.42m (14.50ft),  Kilometerpoint: 4.543,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.0m (78.7ft)

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Structure Number: 918,  Location: 0.8 MI S OF NILES (Lat: 41.801267,  Lng: -86.248297),  Route carried "under" structure: State highway 51,  Year Built: 1955,  Structure Length: 0. m,  Average Daily Traffic: 20,190 (year 2007),  Truck Traffic: 3%,  Features Intersected: M-51,  Facility Carried by Structure: US-12 WB
Minimum Vertical Clearance: 4.70m (15.42ft),  Kilometerpoint: 4.563,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.0m (78.7ft)

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Structure Number: 1439,  Location: 0.3 MI NE OF BERRIEN COL (Lat: 41.807628,  Lng: -86.220939),  Route carried "under" structure: State highway 60,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 8,026 (year 2014),  Truck Traffic: 7%,  Features Intersected: M-60,  Facility Carried by Structure: US-12
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 0.478,  Lanes on structure: 4,  Lanes under structure: 6,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.4m (63.6ft)