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

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Structure Number: 3798,  Location: IN WILLIAMSTON (Lat: 42.687839,  Lng: -84.290225),  Route carried "on" structure: State highway 43,  Year Built: 2001,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 12,042 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 11,693 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: DEER CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 23.394,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 19.2m (63.0ft),  Out-to-Out Width: 19.8m (65.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 97.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 70.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: August 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: 3799,  Location: 2.2 MI E OF WILLIAMSTON (Lat: 42.680650,  Lng: -84.241186),  Route carried "on" structure: State highway 43,  Year Built: 2000,  Status: Open,  Structure Length: 1.92m (6.30ft),  Average Daily Traffic: 5,289 (year 2007),  Truck Traffic: 6%,  Average Future Daily Traffic: 6,375 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: DOAN CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 27.563,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.4m (60.4ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 82.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: August 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: 3812,  Location: 0.4 MI W / WILLIAMSTON RD (Lat: 42.665378,  Lng: -84.289583),  Route carried "on" structure: Interstate 96,  Year Built: 1962,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 23,287 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 31,680 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: DEER CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 26.393,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.0m (42.7ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 75.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 12 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 3813,  Location: 0.4 MI W / WILLIAMSTON RD (Lat: 42.665917,  Lng: -84.289839),  Route carried "on" structure: Interstate 96,  Year Built: 1962,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 23,287 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 31,680 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: DEER CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 26.393,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.0m (42.7ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 74.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 16 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 3814,  Location: 1 MI W OF DIETZ ROAD (Lat: 42.666067,  Lng: -84.245894),  Route carried "on" structure: Interstate 96,  Year Built: 1961,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 21,800 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 30,803 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: DOAN CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 29.975,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 4),  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.6m (57.7ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 84.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 3815,  Location: 1 MI W OF DIETZ ROAD (Lat: 42.666528,  Lng: -84.245903),  Route carried "on" structure: Interstate 96,  Year Built: 1961,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 21,800 (year 2007),  Truck Traffic: 11%,  Average Future Daily Traffic: 30,803 (year 2018),  Design Load: HS 20+Mod,  Features Intersected: DOAN CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 29.998,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 33,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.6m (57.7ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 73.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 383,  Location: 6.5 MI W OF M-43 & M-52 (Lat: 42.665656,  Lng: -84.311694),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.09m (13.42ft),  Average Daily Traffic: 3,225 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,709 (year 2038),  Design Load: H 15,  Features Intersected: I-96 EB,  Facility Carried by Structure: ZIMMER RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.916,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.6m (34.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 66.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.9 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 3831,  Location: 6.5 MI W OF M-43 & M-52 (Lat: 42.666214,  Lng: -84.311722),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 4.05m (13.29ft),  Average Daily Traffic: 3,225 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,709 (year 2038),  Design Load: H 15,  Features Intersected: I-96 WB,  Facility Carried by Structure: ZIMMER RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.977,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.6m (34.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: 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: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay

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Structure Number: 3832,  Location: 4.4 MI W OF M-43 & M-52 (Lat: 42.665264,  Lng: -84.282108),  Route carried "on" structure: County highway 3357,  Year Built: 1962,  Status: Open,  Structure Length: 10.38m (34.06ft),  Average Daily Traffic: 3,375 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,881 (year 2038),  Design Load: H 15,  Features Intersected: I-96,  Facility Carried by Structure: WILLIAMSTON RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.133,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 11.8m (38.7ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 20.5m (67.3ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.6m (34.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 56.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 33.4 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 desirable criteria,  Length Of Structure Improvement: 10.40m (34.12ft),  Designated Inspection Frequency: Every 9 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $44,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $51,000,  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: 3868,  Location: 3 MILES S OF WILLIAMSTON (Lat: 42.644381,  Lng: -84.294664),  Route carried "on" structure: County highway ,  Year Built: 1920,  Year Reconstructed: 2013,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 1,192 (year 2013),  Average Future Daily Traffic: 1,455 (year 2033),  Design Load: H 20,  Features Intersected: DEER CREEK,  Facility Carried by Structure: HOLT ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.670,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.0m (26.2ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Fair,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 74.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: 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: October 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: 3869,  Location: 4.6 MILES SE OF WILLIAMST (Lat: 42.644631,  Lng: -84.251964),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Posted for load,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 1,050 (year 2019),  Average Future Daily Traffic: 1,250 (year 2039),  Design Load: HS 20,  Features Intersected: DOAN CREEK,  Facility Carried by Structure: HOLT ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.170,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.0m (45.9ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Good,  Channel: Fair,  Operating Rating: 36.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 21.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.40m (4.59ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $68,000,  Roadway Improvement Cost: $24,000,  Total Project Cost: $92,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 3887,  Location: 1.5 MI SW OF WILLIAMSTON (Lat: 42.673211,  Lng: -84.291817),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Posted for load,  Structure Length: 1.64m (5.38ft),  Average Daily Traffic: 2,465 (year 2019),  Average Future Daily Traffic: 3,010 (year 2039),  Design Load: H 20,  Features Intersected: DEER CREEK,  Facility Carried by Structure: LINN ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.884,  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: 1,  Length of Maximum Span: 16.4m (53.8ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Serious,  Superstructure: Serious,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 42.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 25.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 1.65m (5.41ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $120,000,  Roadway Improvement Cost: $24,000,  Total Project Cost: $144,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 3899,  Location: 2.9 MI SE OF WILLIAMSTON (Lat: 42.659428,  Lng: -84.245011),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 535 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,000 (year 2033),  Design Load: Greater than HL93,  Features Intersected: DOAN CREEK,  Facility Carried by Structure: NOBLE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.732,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 20.1m (65.9ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 63.2 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: 48.9 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: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020

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Structure Number: 39,  Location: 2.3 MI SE OF WILLIAMSTON (Lat: 42.674097,  Lng: -84.244017),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 300 (year 2019),  Average Future Daily Traffic: 370 (year 2039),  Design Load: H 20,  Features Intersected: DOAN CREEK,  Facility Carried by Structure: LINN ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.532,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.7m (18.7ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Poor,  Channel: Fair,  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: 23.7 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: High priority of replacement,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.82m (2.69ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $30,000,  Roadway Improvement Cost: $21,000,  Total Project Cost: $51,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 3901,  Location: 4.2 MI SE OF WILLIAMSTON (Lat: 42.631394,  Lng: -84.260842),  Route carried "on" structure: County highway ,  Year Built: 1945,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 330 (year 2014),  Average Future Daily Traffic: 403 (year 2034),  Design Load: H 20,  Features Intersected: DOAN CREEK,  Facility Carried by Structure: MEECH ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.370,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.8m (38.7ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: 67.4 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 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: 3919,  Location: 5 MI S OF WILLIAMSTON (Lat: 42.615464,  Lng: -84.269786),  Route carried "on" structure: County highway ,  Year Built: 1945,  Status: Posted for load,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 230 (year 2019),  Average Future Daily Traffic: 290 (year 2039),  Design Load: H 20,  Features Intersected: DOAN CREEK,  Facility Carried by Structure: DENNIS ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.435,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Serious,  Superstructure: Serious,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 22.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 13.3 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $110,000,  Roadway Improvement Cost: $79,000,  Total Project Cost: $189,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 392,  Location: 4.1 MI SW OF WILLIAMSTON (Lat: 42.629867,  Lng: -84.292650),  Route carried "on" structure: County highway ,  Year Built: 1921,  Year Reconstructed: 1947,  Status: Posted for load,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 100 (year 2019),  Average Future Daily Traffic: 130 (year 2039),  Design Load: H 15,  Features Intersected: DEER CREEK,  Facility Carried by Structure: FROST ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.842,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: 5.5m (18.0ft),  Out-to-Out Width: 6.0m (19.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Poor,  Operating Rating: 30.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 0.91m (2.99ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $102,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $121,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 3921,  Location: 2.1 MI SW OF WILLIAMSTON (Lat: 42.658858,  Lng: -84.288503),  Route carried "on" structure: County highway ,  Year Built: 1925,  Year Reconstructed: 1984,  Status: Posted for load,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 490 (year 2019),  Average Future Daily Traffic: 600 (year 2039),  Design Load: H 20,  Features Intersected: DEER CREEK,  Facility Carried by Structure: NOBLE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 6.161,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Poor,  Superstructure: Serious,  Substructure: Serious,  Channel: Fair,  Operating Rating: 22.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 13.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.68m (5.51ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $460,000,  Roadway Improvement Cost: $116,000,  Total Project Cost: $576,000,  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: 3924,  Location: 2 MI NW OF WILLIAMSTON (Lat: 42.706464,  Lng: -84.314244),  Route carried "on" structure: County highway ,  Year Built: 2013,  Status: Open,  Structure Length: 5.23m (17.16ft),  Average Daily Traffic: 1,950 (year 2013),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,200 (year 2033),  Design Load: Greater than HL93,  Features Intersected: RED CEDAR RIVER,  Facility Carried by Structure: ZIMMER ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 10.495,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.7m (64.6ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.7m (38.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 68.0 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: 52.5 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: Better than present minimum 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: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 3962,  Location: IN WILLIAMSTON (Lat: 42.691403,  Lng: -84.283347),  Route carried "on" structure: City street 3357,  Year Built: 2005,  Status: Open,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 8,000 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 9,800 (year 2027),  Design Load: HS 20+Mod,  Features Intersected: RED CEDAR RIVER,  Facility Carried by Structure: PUTNAM STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 10.067,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  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: 29.6m (97.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 16.9m (55.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 60.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 21.7 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 3963,  Location: IN CITY OF WILLIAMSTON (Lat: 42.682617,  Lng: -84.289989),  Route carried "on" structure: City street ,  Year Built: 1945,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 10 (year 2007),  Average Future Daily Traffic: 20 (year 2027),  Design Load: HS 15,  Features Intersected: DEER CREEK,  Facility Carried by Structure: W WALLACE STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.229,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Poor,  Channel: Fair,  Operating Rating: 41.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 24.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to 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: 0.98m (3.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Bridge Improvement Cost: $174,000,  Roadway Improvement Cost: $108,000,  Total Project Cost: $282,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 383,  Location: 6.5 MI W OF M-43 & M-52 (Lat: 42.665656,  Lng: -84.311694),  Route carried "under" structure: Interstate 96,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 43,875 (year 2018),  Truck Traffic: 12%,  Features Intersected: I-96 EB,  Facility Carried by Structure: ZIMMER RD
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 24.579,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.4m (57.1ft)

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Structure Number: 3831,  Location: 6.5 MI W OF M-43 & M-52 (Lat: 42.666214,  Lng: -84.311722),  Route carried "under" structure: Interstate 96,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 43,875 (year 2018),  Truck Traffic: 12%,  Features Intersected: I-96 WB,  Facility Carried by Structure: ZIMMER RD
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 24.600,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.4m (57.1ft)

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Structure Number: 3832,  Location: 4.4 MI W OF M-43 & M-52 (Lat: 42.665264,  Lng: -84.282108),  Route carried "under" structure: Interstate 96,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 43,875 (year 2018),  Truck Traffic: 12%,  Features Intersected: I-96,  Facility Carried by Structure: WILLIAMSTON RD
Minimum Vertical Clearance: 5.03m (16.50ft),  Kilometerpoint: 27.004,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.5m (67.3ft)