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

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Structure Number: 1487,  Location: 0.8 MI W OF I-75 (Lat: 45.402325,  Lng: -84.617953),  Route carried "on" structure: State highway 68,  Year Built: 1927,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 10,873 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 11,025 (year 2038),  Design Load: HS 25 or greater,  Features Intersected: STURGEON RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.139,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 54,  Subroute: 7),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.9m (62.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 66.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  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: 1491,  Location: 2.2 MI N OF TOPINABEE (Lat: 45.507519,  Lng: -84.564011),  Route carried "on" structure: State highway 27,  Year Built: 2004,  Status: Open,  Structure Length: 1.71m (5.61ft),  Average Daily Traffic: 3,024 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 4,010 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: MULLETT CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 8.422,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 55,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.8m (51.8ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 76.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  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: 1502,  Location: 1.4 MI N OF M-68 (Lat: 45.422233,  Lng: -84.602611),  Route carried "on" structure: Interstate 75,  Year Built: 1962,  Status: Open,  Structure Length: 5.48m (17.98ft),  Average Daily Traffic: 4,474 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 5,599 (year 2018),  Design Load: HS 20,  Features Intersected: INDIAN RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 26.648,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 55,  Subroute: 6),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 3 degrees,  Navigation Control: Yes ( Vertical Clearance: 0.3m (1.0ft), Horizontal Clearance: 16.1m (52.8ft)),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 68.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 40.8 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: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 11 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 1503,  Location: 1.4 MI N OF M-68 (Lat: 45.422042,  Lng: -84.602861),  Route carried "on" structure: Interstate 75,  Year Built: 1962,  Status: Open,  Structure Length: 5.48m (17.98ft),  Average Daily Traffic: 4,474 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 5,599 (year 2018),  Design Load: HS 20,  Features Intersected: INDIAN RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 26.742,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 55,  Subroute: 7),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 3 degrees,  Navigation Control: Yes ( Vertical Clearance: 0.3m (1.0ft), Horizontal Clearance: 16.1m (52.8ft)),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 66.7 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: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 1505,  Location: 1.9 MI S OF M-27 (Lat: 45.431650,  Lng: -84.606036),  Route carried "on" structure: Interstate 75,  Year Built: 1962,  Status: Open,  Structure Length: 5.76m (18.90ft),  Average Daily Traffic: 4,474 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 5,599 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: D&M RR (ABN)
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 27.703,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 55,  Subroute: 6),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.2m (63.0ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 57.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.7 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 desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $130,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 151,  Location: @ M-27 (Lat: 45.446311,  Lng: -84.608503),  Route carried "on" structure: Interstate 75,  Year Built: 1962,  Status: Open,  Structure Length: 6.99m (22.93ft),  Average Daily Traffic: 7,777 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 8,944 (year 2038),  Design Load: HS 20+Mod,  Features Intersected: M-27
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 29.479,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 55,  Subroute: 7),  Owner: State Highway Agency,  Approaching Roadway Width: 9.5m (31.2ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.5m (93.5ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 70.3 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: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to 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: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 1513,  Location: 4.3 MI N OF M-27 (Lat: 45.520167,  Lng: -84.615564),  Route carried "on" structure: County highway 1656,  Year Built: 1960,  Status: Open,  Structure Length: 6.98m (22.90ft),  Average Daily Traffic: 220 (year 1997),  Truck Traffic: 3%,  Average Future Daily Traffic: 500 (year 2007),  Design Load: H 15,  Features Intersected: I-75,  Facility Carried by Structure: MULLET-BURT RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.796,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.9m (35.8ft),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.6m (70.9ft),  Curb or Sidewalk Widths: Left: 0.7m (2.3ft),  Right: 0.7m (2.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 55.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 33.0 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: Meets minimum limits,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 153,  Location: SEC 9 T35N R2W (Lat: 45.441014,  Lng: -84.550383),  Route carried "on" structure: County highway 1640,  Year Built: 2009,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 1,239 (year 2009),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,841 (year 2029),  Features Intersected: PIGEON RIVER,  Facility Carried by Structure: COXEY ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.420,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.5m (37.7ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.7m (58.1ft),  Curb-To-Curb Width: 11.5m (37.7ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 95.3 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: 73.5 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: Equal to present minimum criteria,  Waterway Adequacy: Superior 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: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 1533,  Location: SEC 24 T35N R3W (Lat: 45.413308,  Lng: -84.611456),  Route carried "on" structure: County highway 1625,  Year Built: 2012,  Status: Open,  Structure Length: 3.96m (12.99ft),  Average Daily Traffic: 7,047 (year 2011),  Average Future Daily Traffic: 9,491 (year 2031),  Design Load: HL 93,  Features Intersected: INDIAN RIVER,  Facility Carried by Structure: STRAITS HWY(OLD 27
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.059,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 54,  Subroute: 7),  Owner: County Highway Agency,  Approaching Roadway Width: 11.7m (38.4ft),  Navigation Control: Yes ( Vertical Clearance: 0.3m (1.0ft), Horizontal Clearance: 10.9m (35.8ft)),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 38.9m (127.6ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 0.0m,  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.1m (49.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 50.9 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: 34.3 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: 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,  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: 1547,  Location: SEC.13,T34N,R3W (Lat: 45.338631,  Lng: -84.627375),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 4.05m (13.29ft),  Average Daily Traffic: 270 (year 2005),  Average Future Daily Traffic: 300 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: STURGEON RIVER,  Facility Carried by Structure: WHITE RD (S.END)
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.229,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 47.0 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: 27.9 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: Better than 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 1548,  Location: SEC.1,T34N,R3W (Lat: 45.372036,  Lng: -84.624292),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 380 (year 2005),  Average Future Daily Traffic: 700 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: STURGEON RIVER,  Facility Carried by Structure: WHITE RD (N. END)
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.637,  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: 14.6m (47.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 45.4 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: 35.0 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: Somewhat better than minimum adequacy,  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 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 14489,  Location: 0.63 MI S OF PARKE RD (Lat: 45.388900,  Lng: -84.730000),  Route carried "on" structure: County highway 2497,  Year Built: 2021,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 700 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 850 (year 2039),  Design Load: Greater than HL93,  Features Intersected: CEDAR CREEK,  Facility Carried by Structure: BANWELL RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 82.6 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: 63.8 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 desirable 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: September 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 1507,  Location: @ M-68 (Lat: 45.401986,  Lng: -84.607392),  Route carried "under" structure: Interstate 75,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 4,809 (year 2007),  Truck Traffic: 11%,  Features Intersected: I-75 SB,  Facility Carried by Structure: M-68
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.416,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 1508,  Location: @ M-68 (Lat: 45.401778,  Lng: -84.606589),  Route carried "under" structure: Interstate 75,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 4,809 (year 2007),  Truck Traffic: 11%,  Features Intersected: I-75 NB,  Facility Carried by Structure: M-68
Minimum Vertical Clearance: 5.03m (16.50ft),  Kilometerpoint: 24.289,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 1509,  Location: 0.6 MI N OF M-68 (Lat: 45.411194,  Lng: -84.604814),  Route carried "under" structure: Interstate 75,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 8,948 (year 2007),  Truck Traffic: 11%,  Features Intersected: I-75,  Facility Carried by Structure: ONAWAY RD/OLD M-68
Minimum Vertical Clearance: 4.93m (16.17ft),  Kilometerpoint: 25.354,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.9m (62.0ft)

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Structure Number: 151,  Location: @ M-27 (Lat: 45.446311,  Lng: -84.608503),  Route carried "under" structure: State highway 27,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 4,920 (year 2007),  Truck Traffic: 8%,  Features Intersected: M-27,  Facility Carried by Structure: I-75 SB
Minimum Vertical Clearance: 4.52m (14.83ft),  Kilometerpoint: 0.266,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.5m (93.5ft)

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Structure Number: 1511,  Location: @ M-27 (Lat: 45.450536,  Lng: -84.610539),  Route carried "under" structure: State highway 27,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 4,920 (year 2007),  Truck Traffic: 8%,  Features Intersected: M-27,  Facility Carried by Structure: I-75 NB
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 0.771,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.5m (93.5ft)

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Structure Number: 1512,  Location: 2.8 MI N OF M-27 (Lat: 45.497942,  Lng: -84.615544),  Route carried "under" structure: Interstate 75,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 7,974 (year 2007),  Truck Traffic: 12%,  Features Intersected: I-75,  Facility Carried by Structure: TOPINABEE RD
Minimum Vertical Clearance: 6.43m (21.10ft),  Kilometerpoint: 35.252,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 36.2m (118.8ft)

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Structure Number: 1513,  Location: 4.3 MI N OF M-27 (Lat: 45.520167,  Lng: -84.615564),  Route carried "under" structure: Interstate 75,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 7,974 (year 2007),  Truck Traffic: 12%,  Features Intersected: I-75,  Facility Carried by Structure: MULLET-BURT RD
Minimum Vertical Clearance: 5.44m (17.85ft),  Kilometerpoint: 37.721,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Length of Maximum Span: 21.6m (70.9ft)