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

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Structure Number: 2031,  Location: IN GRAYLING (Lat: 44.659678,  Lng: -84.712303),  Route carried "on" structure: Business Interstate 75,  Year Built: 1935,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 13,375 (year 2015),  Truck Traffic: 4%,  Average Future Daily Traffic: 14,775 (year 2035),  Design Load: H 15,  Features Intersected: AU SABLE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.587,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 12.6m (41.3ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  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: 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: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 2033,  Location: 0.5 MI S OF M-72 (Lat: 44.651811,  Lng: -84.703036),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 5,877 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 10,388 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: LAKE STATE RR
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 16.899,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.6m (47.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  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: High priority of corrective action,  Deck Geometry: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 12 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: 2035,  Location: @ S JCT I-75 BL (Lat: 44.644700,  Lng: -84.707856),  Route carried "on" structure: Ramp Interstate 75,  Year Built: 1961,  Year Reconstructed: 2008,  Status: Open,  Structure Length: 6.24m (20.47ft),  Average Daily Traffic: 4,810 (year 2007),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,887 (year 2018),  Design Load: HS 20,  Features Intersected: I-75 SB
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.325,  Lanes on structure: 1,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.6m (21.7ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 27.1m (88.9ft),  Curb-To-Curb Width: 6.6m (21.7ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 75.2 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 2036,  Location: @ I-75, M-72 JCT (Lat: 44.656525,  Lng: -84.700325),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Status: Open,  Structure Length: 4.11m (13.48ft),  Average Daily Traffic: 5,877 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 9,595 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: M-72
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 17.522,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.9m (52.2ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Operating Rating: 71.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.8 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: Equal to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 2037,  Location: @ I-75, M-72 JCT (Lat: 44.656511,  Lng: -84.699664),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Status: Open,  Structure Length: 4.11m (13.48ft),  Average Daily Traffic: 5,877 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 9,595 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: M-72
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 17.486,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.9m (52.2ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 44.1 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: Equal to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete

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Structure Number: 2038,  Location: 0.7 MI N OF M-72 (Lat: 44.666297,  Lng: -84.697058),  Route carried "on" structure: Interstate 75,  Year Built: 1960,  Status: Open,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 5,877 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 9,595 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: AU SABLE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 18.650,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  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: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 79.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 47.3 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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than 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

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Structure Number: 204,  Location: 2.4 MI N OF M-72 (Lat: 44.688364,  Lng: -84.699303),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 7,158 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 8,178 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: E BR AU SABLE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 21.144,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 1),  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: 12.2m (40.0ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 61.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.9 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 desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than 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

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Structure Number: 2041,  Location: 2.4 MI N OF M-72 (Lat: 44.691508,  Lng: -84.697464),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 7,158 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 8,178 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: E BR AU SABLE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 21.432,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 65.4 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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than 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

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Structure Number: 2042,  Location: 1.0 MI N OF M-72 (Lat: 44.670936,  Lng: -84.695867),  Route carried "on" structure: County highway 2054,  Year Built: 1961,  Status: Open,  Structure Length: 8.11m (26.61ft),  Average Daily Traffic: 780 (year 1974),  Average Future Daily Traffic: 780 (year 1977),  Design Load: HS 20,  Features Intersected: I-75,  Facility Carried by Structure: N DOWN RIVER RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.976,  Lanes on structure: 2,  Lanes under structure: 4,  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: 6,  Length of Maximum Span: 17.3m (56.8ft),  Curb-To-Curb Width: 8.7m (28.5ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 58.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.7 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: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 16 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Other Special Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete

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Structure Number: 2044,  Location: 3.3 MI N OF M-72 (Lat: 44.704433,  Lng: -84.699986),  Route carried "on" structure: Interstate 75,  Year Built: 1961,  Status: Open,  Structure Length: 3.01m (9.88ft),  Average Daily Traffic: 7,158 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 8,178 (year 2018),  Design Load: HS 20,  Features Intersected: LEWISTON GRADE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 22.936,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.0m (32.8ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  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: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Better than present minimum 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: Epoxy Overlay

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Structure Number: 2045,  Location: @ I-75, M-93 JCT (Lat: 44.714664,  Lng: -84.699797),  Route carried "on" structure: State highway 93,  Year Built: 1961,  Status: Open,  Structure Length: 5.27m (17.29ft),  Average Daily Traffic: 1,921 (year 2007),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,779 (year 2018),  Design Load: HS 20,  Features Intersected: I-75 SB
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.145,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.5m (73.8ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Fair,  Superstructure: Serious,  Substructure: Poor,  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: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 2046,  Location: @ I-75, M-93 JCT (Lat: 44.715058,  Lng: -84.699086),  Route carried "on" structure: State highway 93,  Year Built: 1961,  Status: Open,  Structure Length: 5.12m (16.80ft),  Average Daily Traffic: 1,921 (year 2007),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,779 (year 2018),  Design Load: HS 20,  Features Intersected: I-75 NB
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.215,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.5m (73.8ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Fair,  Superstructure: Serious,  Substructure: Poor,  Operating Rating: 58.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.0 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: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 2053,  Location: IN GRAYLING (Lat: 44.658019,  Lng: -84.726081),  Route carried "on" structure: State highway 72,  Year Built: 1993,  Status: Open,  Structure Length: 1.67m (5.48ft),  Average Daily Traffic: 11,731 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 11,449 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: AU SABLE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 11.008,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 53,  Subroute: 3),  Owner: State Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.7m (54.8ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very 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: 59.3 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $358,000,  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: 206,  Location: SEC 5 & 8 GRAYLING TWP (Lat: 44.670928,  Lng: -84.705339),  Route carried "on" structure: County highway 2054,  Year Built: 2016,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 5,067 (year 2015),  Truck Traffic: 7%,  Average Future Daily Traffic: 9,152 (year 2035),  Design Load: Greater than HL93,  Features Intersected: E BR AU SABLE RIVER,  Facility Carried by Structure: N DOWN RIVER RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.226,  Lanes on structure: 3,  Owner: County Highway Agency,  Approaching Roadway Width: 16.2m (53.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.9m (62.0ft)

Condition: Deck: Very good,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 81.6 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: 55.4 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: Superior to present desirable criteria,  Deck Geometry: Better than 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: October 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: 2072,  Location: 1 MI NW GRAYLING (Lat: 44.684950,  Lng: -84.745669),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 50 (year 1987),  Average Future Daily Traffic: 60 (year 2010),  Design Load: HS 20+Mod,  Features Intersected: AU SABLE,  Facility Carried by Structure: POLLAK BRIDGE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.546,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.3m (33.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Very 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: 63.5 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,  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: Wood or Timber,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 2077,  Location: 2 MI N OF GRAYLING (Lat: 44.702542,  Lng: -84.687047),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 250 (year 2000),  Average Future Daily Traffic: 375 (year 2020),  Design Load: HS 20,  Features Intersected: EAST BRANCH OF AU SABLE,  Facility Carried by Structure: WILCOX BRIDGE RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.110,  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: 8.5m (27.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 97.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  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: October 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 12747,  Location: 0.5 MILES N. OF M-72 (Lat: 44.663664,  Lng: -84.740475),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 100 (year 1997),  Truck Traffic: 2%,  Average Future Daily Traffic: 150 (year 2017),  Design Load: HS 20,  Features Intersected: AUSABLE RIVER,  Facility Carried by Structure: OLE DAM ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.789,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Wood or Timber,  Design/Construction: Orthotropic,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.2m (23.6ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 80.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 57.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to 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: October 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 13995,  Location: 0.52 MI S OF CO ROAD 612 (Lat: 44.783000,  Lng: -84.603200),  Route carried "on" structure: Other road ,  Year Built: 1998,  Status: Open,  Structure Length: 1.00m (3.28ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 58 (year 2037),  Features Intersected: E BR AU SABLE RIVER,  Facility Carried by Structure: TANK SITE NO 2
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: State Agenciy,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 5.2m (17.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 93.6 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: 72.3 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 minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 13996,  Location: 0.15 MI N OF JONES LK RD (Lat: 44.714100,  Lng: -84.652300),  Route carried "on" structure: Other road ,  Year Built: 1999,  Status: Open,  Structure Length: 1.00m (3.28ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 58 (year 2037),  Features Intersected: E BR AU SABLE RIVER,  Facility Carried by Structure: TANK SITE NO 1
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: State Agenciy,  Approaching Roadway Width: 5.3m (17.4ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 93.6 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: 72.3 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: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Wood or Timber

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Structure Number: 14265,  Location: 0.3 MI N OF M-72 (Lat: 44.661100,  Lng: -84.708200),  Route carried "on" structure: City street ,  Year Built: 1975,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 2,000 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,300 (year 2038),  Design Load: HS 20,  Features Intersected: AU SABLE RIVER,  Facility Carried by Structure: MAPLE ST
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.484,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 0.0m,  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.0m,  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 33.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 2034,  Location: 4.0 MI S OF GRAYLING (Lat: 44.598458,  Lng: -84.708978),  Route carried "under" structure: Interstate 75,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 20,776 (year 2007),  Truck Traffic: 9%,  Features Intersected: I-75,  Facility Carried by Structure: 4 MI RD
Minimum Vertical Clearance: 5.26m (17.26ft),  Kilometerpoint: 10.907,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 2035,  Location: @ S JCT I-75 BL (Lat: 44.644700,  Lng: -84.707856),  Route carried "under" structure: Interstate 75,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 5,877 (year 2007),  Truck Traffic: 12%,  Features Intersected: I-75 SB
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 16.075,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.1m (88.9ft)

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Structure Number: 2036,  Location: @ I-75, M-72 JCT (Lat: 44.656525,  Lng: -84.700325),  Route carried "under" structure: State highway 72,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 6,418 (year 2007),  Truck Traffic: 3%,  Features Intersected: M-72,  Facility Carried by Structure: I-75 SB
Minimum Vertical Clearance: 4.60m (15.09ft),  Kilometerpoint: 0.637,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 15.9m (52.2ft)

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Structure Number: 2037,  Location: @ I-75, M-72 JCT (Lat: 44.656511,  Lng: -84.699664),  Route carried "under" structure: State highway 72,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 6,418 (year 2007),  Truck Traffic: 3%,  Features Intersected: M-72,  Facility Carried by Structure: I-75 NB
Minimum Vertical Clearance: 6.91m (22.67ft),  Kilometerpoint: 0.689,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 15.9m (52.2ft)

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Structure Number: 2042,  Location: 1.0 MI N OF M-72 (Lat: 44.670936,  Lng: -84.695867),  Route carried "under" structure: Interstate 75,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 14,316 (year 2007),  Truck Traffic: 11%,  Features Intersected: I-75,  Facility Carried by Structure: N DOWN RIVER RD
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 19.133,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.3m (56.8ft)

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Structure Number: 2043,  Location: 3.3 MI N OF M-72 (Lat: 44.704431,  Lng: -84.699206),  Route carried "under" structure: County highway ,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 20 (year 1974),  Features Intersected: LEWISTON GRADE ROAD,  Facility Carried by Structure: I-75 NB
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 3.064,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 10.0m (32.8ft)

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Structure Number: 2044,  Location: 3.3 MI N OF M-72 (Lat: 44.704433,  Lng: -84.699986),  Route carried "under" structure: County highway ,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 20 (year 1974),  Features Intersected: LEWISTON GRADE ROAD,  Facility Carried by Structure: I-75 SB
Minimum Vertical Clearance: 4.90m (16.08ft),  Kilometerpoint: 3.002,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 10.0m (32.8ft)

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Structure Number: 2045,  Location: @ I-75, M-93 JCT (Lat: 44.714664,  Lng: -84.699797),  Route carried "under" structure: Interstate 75,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 7,158 (year 2007),  Truck Traffic: 10%,  Features Intersected: I-75 SB,  Facility Carried by Structure: M-93
Minimum Vertical Clearance: 5.28m (17.32ft),  Kilometerpoint: 24.073,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.5m (73.8ft)

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Structure Number: 2046,  Location: @ I-75, M-93 JCT (Lat: 44.715058,  Lng: -84.699086),  Route carried "under" structure: Interstate 75,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 7,158 (year 2007),  Truck Traffic: 10%,  Features Intersected: I-75 NB,  Facility Carried by Structure: M-93
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 24.057,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.5m (73.8ft)

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Structure Number: 2059,  Location: 5.3 MI S OF GRAYLING (Lat: 44.579664,  Lng: -84.709858),  Route carried "under" structure: US 127,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 7,494 (year 2007),  Truck Traffic: 14%,  Features Intersected: US-127 NB,  Facility Carried by Structure: I-75 SB
Minimum Vertical Clearance: 4.44m (14.57ft),  Kilometerpoint: 9.378,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.9m (107.9ft)

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Structure Number: 13692,  Location: ADJ TO S04 & S05 (Lat: 44.715056,  Lng: -84.699528),  Route carried "under" structure: Interstate 75,  Year Built: 2017,  Structure Length: 0. m,  Average Daily Traffic: 12,728 (year 2014),  Truck Traffic: 10%,  Features Intersected: I-75,  Facility Carried by Structure: GRAYLING BIKE TRAI
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.000,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 35.7m (117.1ft)