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


  • National Bridge Inventory (NBI) Statistics
  • 15Number of bridges
  • 102ft / 31.3mTotal length
  • 107,888Total average daily traffic
  • 5,488Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Whitehall
  • No street view available for this location

New bridges in Whitehall, MI - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 11950-1959
  • 101960-1969
  • 11980-1989
  • 12000-2009
Reconstructed bridges in Whitehall, MI - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11990-1999
  • 12000-2009
Average Bridge Daily Traffic in Whitehall, MI
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 60.0%Good
  • 40.0%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.0%Very good
  • 30.0%Good
  • 30.0%Satisfactory
  • 30.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 10.0%Very good
  • 30.0%Good
  • 40.0%Satisfactory
  • 20.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 33.3%Very good
  • 33.3%Good
  • 16.7%Fair
  • 16.7%Poor
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Structure Number: 7577,  Location: 4.2 MI S OF OCEANA COL (Lat: 43.413531,  Lng: -86.352019),  Route carried "on" structure: Business US 31,  Year Built: 1986,  Status: Posted for load,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 8,531 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 17,563 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: WHITE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.529,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 1),  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 15.2m (49.9ft),  Out-to-Out Width: 18.9m (62.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 36.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 22.0 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: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: July 2021,  Underwater Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 7578,  Location: IN WHITEHALL (Lat: 43.409764,  Lng: -86.349386),  Route carried "on" structure: Business US 31,  Year Built: 1933,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 12,781 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 14,981 (year 2018),  Design Load: Greater than HL93,  Features Intersected: HART/MONT. LINEAR SP TRL
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.993,  Lanes on structure: 4,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Steel,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 5.9m (19.4ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 22.5m (73.8ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 64.2 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: 49.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 7586,  Location: 1.3 MI N OF S JCT US-31BR (Lat: 43.424744,  Lng: -86.326994),  Route carried "on" structure: US 31,  Year Built: 1965,  Status: Open,  Structure Length: 5.15m (16.90ft),  Average Daily Traffic: 9,550 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,600 (year 2041),  Design Load: HS 20,  Features Intersected: WHITE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 37.876,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 2),  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: 3,  Length of Maximum Span: 17.7m (58.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.3 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 19 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: December 2021,  Underwater Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 7587,  Location: 1.3 MI N OF S JCT US-31BR (Lat: 43.425097,  Lng: -86.326417),  Route carried "on" structure: US 31,  Year Built: 1965,  Status: Open,  Structure Length: 5.15m (16.90ft),  Average Daily Traffic: 9,550 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,600 (year 2041),  Design Load: HS 20,  Features Intersected: WHITE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 37.898,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 9),  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: 3,  Length of Maximum Span: 17.7m (58.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 58.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 7 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: December 2021,  Underwater Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 7603,  Location: S JCT US-31BR (Lat: 43.409364,  Lng: -86.315172),  Route carried "on" structure: US 31,  Year Built: 1963,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 9,754 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,364 (year 2018),  Design Load: HS 20,  Features Intersected: US-31 BR(COLBY RD)
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 35.861,  Lanes on structure: 2,  Lanes under structure: 3,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.3m (56.8ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: 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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7604,  Location: S JCT US-31BR (Lat: 43.409497,  Lng: -86.314383),  Route carried "on" structure: US 31,  Year Built: 1963,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 9,754 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,364 (year 2018),  Design Load: HS 20,  Features Intersected: US-31 BR COLBY RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 35.854,  Lanes on structure: 2,  Lanes under structure: 3,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 9),  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: 3,  Length of Maximum Span: 17.3m (56.8ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 13.8m (45.3ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 81.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 48.6 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: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7605,  Location: 0.6 MI S OF N JCT US-31BR (Lat: 43.433850,  Lng: -86.336700),  Route carried "on" structure: US 31,  Year Built: 1965,  Status: Open,  Structure Length: 3.32m (10.89ft),  Average Daily Traffic: 8,086 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,364 (year 2018),  Design Load: HS 20,  Features Intersected: WALSH RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 39.110,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 2),  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: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 64.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.6 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: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $46,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7606,  Location: 0.6 MI S OF N JCT US-31BR (Lat: 43.434167,  Lng: -86.336028),  Route carried "on" structure: US 31,  Year Built: 1965,  Status: Open,  Structure Length: 3.38m (11.09ft),  Average Daily Traffic: 8,086 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 10,364 (year 2018),  Design Load: HS 20,  Features Intersected: WALSH RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 39.126,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 85,  Subroute: 9),  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: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 62.5 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $46,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7652,  Location: 3.4 MI E OF US-31 (Lat: 43.456503,  Lng: -86.284225),  Route carried "on" structure: County highway 6188,  Year Built: 1937,  Year Reconstructed: 1995,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,470 (year 2015),  Truck Traffic: 7%,  Average Future Daily Traffic: 2,190 (year 2035),  Design Load: HS 20,  Features Intersected: CARLETON CREEK,  Facility Carried by Structure: FRUITVALE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 7.178,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Poor,  Operating Rating: 53.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.1 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: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 7675,  Location: 0.75 MI S OF MICHILLINDA (Lat: 43.345403,  Lng: -86.356386),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 1,022 (year 2018),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,247 (year 2038),  Design Load: HS 20+Mod,  Features Intersected: DUCK CREEK,  Facility Carried by Structure: ORSHAL ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.277,  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: 15.4m (50.5ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 81.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum 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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 13349,  Location: FRUITLAND TWP SEC 15/16 (Lat: 43.348136,  Lng: -86.336425),  Route carried "on" structure: County highway ,  Year Built: 1955,  Status: Posted for load,  Structure Length: 0.84m (2.76ft),  Average Daily Traffic: 400 (year 2015),  Truck Traffic: 16%,  Average Future Daily Traffic: 161 (year 2026),  Features Intersected: SCHOLES CREEK,  Facility Carried by Structure: SIMONELLI ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.631,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.3m (7.5ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Channel: Fair,  Culverts: Critical,  Operating Rating: 12.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 7.1 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 replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 6 months,  Inspection Date: September 2021,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 7603,  Location: S JCT US-31BR (Lat: 43.409364,  Lng: -86.315172),  Route carried "under" structure: Business US 31,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 13,365 (year 2007),  Truck Traffic: 3%,  Features Intersected: US-31 BR(COLBY RD)
Minimum Vertical Clearance: 4.50m (14.76ft),  Kilometerpoint: 0.216,  Lanes on structure: 2,  Lanes under structure: 3,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.3m (56.8ft)

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Structure Number: 7604,  Location: S JCT US-31BR (Lat: 43.409497,  Lng: -86.314383),  Route carried "under" structure: Business US 31,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 13,365 (year 2007),  Truck Traffic: 3%,  Features Intersected: US-31 BR COLBY RD
Minimum Vertical Clearance: 4.42m (14.50ft),  Kilometerpoint: 0.150,  Lanes on structure: 2,  Lanes under structure: 3,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.3m (56.8ft)

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Structure Number: 7605,  Location: 0.6 MI S OF N JCT US-31BR (Lat: 43.433850,  Lng: -86.336700),  Route carried "under" structure: County highway ,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 1,087 (year 1997),  Features Intersected: WALSH RD,  Facility Carried by Structure: US-31 SB
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 1.421,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.5m (41.0ft)

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Structure Number: 7606,  Location: 0.6 MI S OF N JCT US-31BR (Lat: 43.434167,  Lng: -86.336028),  Route carried "under" structure: County highway ,  Year Built: 1965,  Structure Length: 0. m,  Average Daily Traffic: 1,087 (year 1997),  Truck Traffic: 3%,  Features Intersected: WALSH RD,  Facility Carried by Structure: US-31 NB
Minimum Vertical Clearance: 4.55m (14.93ft),  Kilometerpoint: 1.485,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 12.5m (41.0ft)

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