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


  • National Bridge Inventory (NBI) Statistics
  • 27Number of bridges
  • 174ft / 53.0mTotal length
  • 121,741Total average daily traffic
  • 8,816Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Shepherd
  • No street view available for this location

New bridges in Shepherd, MI - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 131960-1969
  • 11970-1979
  • 51980-1989
  • 11990-1999
  • 42000-2009
  • 22010-2019
Reconstructed bridges in Shepherd, MI - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 01970-1979
  • 01980-1989
  • 11990-1999
Average Bridge Daily Traffic in Shepherd, MI
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 22.2%Very good
  • 38.9%Good
  • 27.8%Satisfactory
  • 11.1%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 33.3%Very good
  • 27.8%Good
  • 27.8%Satisfactory
  • 5.6%Fair
  • 5.6%Critical
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 33.3%Very good
  • 38.9%Good
  • 5.6%Satisfactory
  • 11.1%Fair
  • 5.6%Poor
  • 5.6%Critical
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 31.6%Very good
  • 10.5%Good
  • 42.1%Satisfactory
  • 15.8%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 20.0%Very good
  • 40.0%Satisfactory
  • 40.0%Fair
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Structure Number: 1369,  Location: 1/2 MI S OF MARENGO (Lat: 42.261456,  Lng: -84.855289),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Posted for load,  Structure Length: 2.37m (7.78ft),  Average Daily Traffic: 259 (year 1994),  Truck Traffic: 5%,  Average Future Daily Traffic: 483 (year 2024),  Design Load: HS 20+Mod,  Features Intersected: KALAMAZOO RIVER,  Facility Carried by Structure: B DRIVE NORTH
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 8.140,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 36.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 26.2 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 minimum criteria,  Deck Geometry: Equal to present minimum criteria,  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: 30.0 - 39.9% below),  Length Of Structure Improvement: 3.08m (10.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Other
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Structure Number: 4225,  Location: 4.7 MI N OF GRATIOT COL (Lat: 43.534500,  Lng: -84.676661),  Route carried "on" structure: US 127,  Year Built: 1961,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 10,457 (year 2007),  Truck Traffic: 8%,  Average Future Daily Traffic: 12,921 (year 2015),  Design Load: HS 20,  Features Intersected: LITTLE SALT RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.606,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 24,  Subroute: 3),  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: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 13.2m (43.3ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: April 2021,  Other Special Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 4226,  Location: 4.7 MI N OF GRATIOT COL (Lat: 43.534489,  Lng: -84.677025),  Route carried "on" structure: US 127,  Year Built: 1961,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 10,457 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 14,937 (year 2018),  Design Load: HS 20,  Features Intersected: LITTLE SALT RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.609,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 24,  Subroute: 6),  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 13.1m (43.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.6 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: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: April 2021,  Other Special 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: 423,  Location: 1.0 MI N OF GRATIOT COL (Lat: 43.480614,  Lng: -84.677733),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 6.34m (20.80ft),  Average Daily Traffic: 300 (year 1974),  Truck Traffic: 5%,  Average Future Daily Traffic: 300 (year 1977),  Design Load: H 15,  Features Intersected: US-127,  Facility Carried by Structure: COE RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.597,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.3m (33.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.9m (71.9ft),  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: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 77.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 40.5 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 4231,  Location: 3.1 MI N OF GRATIOT COL (Lat: 43.509647,  Lng: -84.676575),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 6.37m (20.90ft),  Average Daily Traffic: 345 (year 1988),  Truck Traffic: 3%,  Average Future Daily Traffic: 120 (year 1977),  Design Load: H 15,  Features Intersected: US-127,  Facility Carried by Structure: PLEASANT VALLEY RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 26.946,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.3m (33.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-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: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 32.1 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: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 4232,  Location: 4.1 MI N OF GRATIOT COL (Lat: 43.524167,  Lng: -84.676667),  Route carried "on" structure: County highway 3716,  Year Built: 1960,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 580 (year 1974),  Average Future Daily Traffic: 580 (year 1977),  Design Load: HS 20,  Features Intersected: US-127,  Facility Carried by Structure: BLANCHARD RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 33.348,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.6m (70.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 62.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4233,  Location: 5.7 MI N OF GRATIOT COL (Lat: 43.544142,  Lng: -84.687553),  Route carried "on" structure: County highway 3783,  Year Built: 1964,  Status: Open,  Structure Length: 7.04m (23.10ft),  Average Daily Traffic: 2,600 (year 1974),  Average Future Daily Traffic: 2,600 (year 1977),  Design Load: H 15,  Features Intersected: US-127,  Facility Carried by Structure: SHEPHERD RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 8.668,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.9m (35.8ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 24.0m (78.7ft),  Curb or Sidewalk Widths: Left: 0.7m (2.3ft),  Right: 0.7m (2.3ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 51.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.5 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: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $110,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 4277,  Location: SEC 21 CHIPPEWA TWP (Lat: 43.582686,  Lng: -84.669233),  Route carried "on" structure: County highway 3732,  Year Built: 1969,  Status: Open,  Structure Length: 1.00m (3.28ft),  Average Daily Traffic: 2,019 (year 2015),  Truck Traffic: 2%,  Design Load: H 20,  Features Intersected: POTTER CREEK DRAIN,  Facility Carried by Structure: BROOMFIELD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.780,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 49.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4304,  Location: 0.3 M N SW COR SEC 25 T13 (Lat: 43.485181,  Lng: -84.746986),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 762 (year 2017),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,249 (year 2037),  Design Load: Greater than HL93,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: ISABELLA ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.105,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 77.4 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: 59.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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: 4312,  Location: 0.02M S NE COR SEC 32 T14 (Lat: 43.567192,  Lng: -84.687692),  Route carried "on" structure: County highway 3783,  Year Built: 1998,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 2,402 (year 2018),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,932 (year 2038),  Design Load: HS 20,  Features Intersected: POTTER CREEK,  Facility Carried by Structure: SHEPHERD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 11.227,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 18.3m (60.0ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 70.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4314,  Location: 0.2 M S NE COR SEC 20 T13 (Lat: 43.505806,  Lng: -84.687397),  Route carried "on" structure: County highway 3781,  Year Built: 1926,  Year Reconstructed: 1947,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 1,430 (year 2002),  Average Future Daily Traffic: 2,120 (year 2022),  Design Load: H 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: SHEPHERD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.410,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.6m (34.8ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 52.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum 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: Bituminous,  Membrane: Other
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Structure Number: 432,  Location: SEC 27-34 CHIPPEWA TWP (Lat: 43.568117,  Lng: -84.660731),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1983,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 175 (year 2002),  Average Future Daily Traffic: 214 (year 2022),  Design Load: HS 20,  Features Intersected: POTTER CREEK,  Facility Carried by Structure: DEERFIELD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 6.156,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 95.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Epoxy,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4329,  Location: SEC 30-31 COE TWP (Lat: 43.480736,  Lng: -84.720592),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1980,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 196 (year 2002),  Average Future Daily Traffic: 240 (year 2022),  Design Load: HS 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: COE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.131,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.8m (15.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 42.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 31.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: May 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 433,  Location: .25 M W NE COR SEC 29 T13 (Lat: 43.495167,  Lng: -84.692283),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 242 (year 2005),  Average Future Daily Traffic: 374 (year 2027),  Design Load: HS 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: FREMONT ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.437,  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: 12.5m (41.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 79.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.7 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 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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4331,  Location: SEC 16-21 COE TWP (Lat: 43.509703,  Lng: -84.686761),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1989,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 511 (year 2005),  Average Future Daily Traffic: 539 (year 2022),  Design Load: HS 20+Mod,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: PLEASANT VALLEY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.122,  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: 13.4m (44.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 68.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.3 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: May 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other
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Structure Number: 4332,  Location: SEC 2-11 COE TWP (Lat: 43.538678,  Lng: -84.629167),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1980,  Status: Posted for load,  Structure Length: 1.73m (5.68ft),  Average Daily Traffic: 198 (year 2004),  Average Future Daily Traffic: 301 (year 2024),  Design Load: H 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: WALTON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 3.940,  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: 16.7m (54.8ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Critical,  Substructure: Critical,  Channel: Satisfactory,  Operating Rating: 9.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 5.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of replacement,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4333,  Location: 0.5 M S NW COR SEC 29 COE (Lat: 43.486747,  Lng: -84.707292),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.92m (3.02ft),  Average Daily Traffic: 181 (year 2002),  Average Future Daily Traffic: 220 (year 2022),  Design Load: H 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: LEATON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.290,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.2m (13.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 43.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 4334,  Location: SEC 1-2 COE TWP (Lat: 43.541511,  Lng: -84.627667),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 2008,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 72 (year 2008),  Average Future Daily Traffic: 261 (year 2025),  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: CHIPPEWA ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 8.383,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.2m (76.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 90.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 54.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4381,  Location: IN SHEPHERD (Lat: 43.524228,  Lng: -84.683622),  Route carried "on" structure: County highway 3716,  Year Built: 1961,  Status: Open,  Structure Length: 1.61m (5.28ft),  Average Daily Traffic: 1,800 (year 1997),  Average Future Daily Traffic: 3,280 (year 2017),  Design Load: HS 20+Mod,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: BLANCHARD ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 32.787,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.8m (15.7ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  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: 94.9 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,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020
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Structure Number: 12676,  Location: 0.1 MS NW SEC 25 LINCOLN (Lat: 43.495131,  Lng: -84.747125),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 645 (year 2016),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,057 (year 2036),  Design Load: Greater than HL93,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: ISABELLA ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 3.209,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.0m (42.7ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 69.0 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: 61.9 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 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: 1313,  Location: 200' E OF GENUINE RD (Lat: 43.582669,  Lng: -84.677222),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 2,019 (year 2015),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,464 (year 2035),  Design Load: HS 20,  Features Intersected: POTTER CREEK,  Facility Carried by Structure: BROOMFIELD RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 12.135,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 43.6 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 13159,  Location: 0.5 MI S OF COE RD (Lat: 43.473533,  Lng: -84.726822),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 45 (year 2005),  Average Future Daily Traffic: 87 (year 2027),  Design Load: HS 20,  Features Intersected: LITTLE SALT RIVER,  Facility Carried by Structure: SUMMERTON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.811,  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: 12.5m (41.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 79.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 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: 13393,  Location: SEC 16 & 17 COE TWP (Lat: 43.510917,  Lng: -84.687389),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,742 (year 2005),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,589 (year 2025),  Features Intersected: CHILDS CREEK,  Facility Carried by Structure: SHEPHERD RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.976,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 42.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.6 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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: May 2021,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 423,  Location: 1.0 MI N OF GRATIOT COL (Lat: 43.480614,  Lng: -84.677733),  Route carried "under" structure: US 127,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 20,238 (year 2007),  Truck Traffic: 8%,  Features Intersected: US-127,  Facility Carried by Structure: COE RD
Minimum Vertical Clearance: 4.47m (14.67ft),  Kilometerpoint: 1.617,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 4231,  Location: 3.1 MI N OF GRATIOT COL (Lat: 43.509647,  Lng: -84.676575),  Route carried "under" structure: US 127,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 20,238 (year 2007),  Truck Traffic: 9%,  Features Intersected: US-127,  Facility Carried by Structure: PLEASANT VALLEY RD
Minimum Vertical Clearance: 4.47m (14.67ft),  Kilometerpoint: 4.846,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.6m (70.9ft)

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Structure Number: 4232,  Location: 4.1 MI N OF GRATIOT COL (Lat: 43.524167,  Lng: -84.676667),  Route carried "under" structure: US 127,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 20,914 (year 2007),  Truck Traffic: 9%,  Features Intersected: US-127,  Facility Carried by Structure: BLANCHARD RD
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 6.459,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.6m (70.9ft)

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Structure Number: 4233,  Location: 5.7 MI N OF GRATIOT COL (Lat: 43.544142,  Lng: -84.687553),  Route carried "under" structure: US 127,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 20,914 (year 2007),  Truck Traffic: 7%,  Features Intersected: US-127,  Facility Carried by Structure: SHEPHERD RD
Minimum Vertical Clearance: 5.21m (17.09ft),  Kilometerpoint: 9.072,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.0m (78.7ft)

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