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


  • National Bridge Inventory (NBI) Statistics
  • 20Number of bridges
  • 121ft / 37mTotal length
  • $891,000Total costs
  • 54,658Total average daily traffic
  • 10,199Total average daily truck traffic
  • 70,967Total future (year 2013) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Eastlake
  • No street view available for this location

New bridges in Eastlake, MI - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 31930-1939
  • 21950-1959
  • 31960-1969
  • 31970-1979
  • 21980-1989
  • 41990-1999
  • 12000-2009
  • 12010-2018
Reconstructed bridges in Eastlake, MI - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11960-1969
  • 11970-1979
  • 31980-1989
Average Bridge Daily Traffic in Eastlake, MI
Average Bridge Truck Traffic in Eastlake, MI
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 7.1%Excellent
  • 7.1%Very good
  • 35.7%Good
  • 28.6%Satisfactory
  • 7.1%Fair
  • 14.3%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 7.1%Excellent
  • 14.3%Very good
  • 28.6%Good
  • 28.6%Satisfactory
  • 7.1%Fair
  • 7.1%Poor
  • 7.1%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 7.1%Very good
  • 35.7%Good
  • 28.6%Satisfactory
  • 21.4%Poor
  • 7.1%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 38.9%Very good
  • 11.1%Good
  • 22.2%Satisfactory
  • 16.7%Fair
  • 11.1%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 16.7%Very good
  • 50.0%Good
  • 16.7%Satisfactory
  • 16.7%Fair
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Structure Number: 329,  Location: 1.0 MI E OF M-65 (Lat: 45.067339,  Lng: -83.696792),  Route carried "on" structure: State highway 32,  Year Built: 1934,  Year Reconstructed: 1965,  Status: Open,  Structure Length: 1.09m (3.58ft),  Average Daily Traffic: 5,505 (year 2007),  Truck Traffic: 9%,  Average Future Daily Traffic: 7,645 (year 2018),  Design Load: H 15,  Features Intersected: BEAN CREEK
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 14.639,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 102,  Subroute: 9),  Owner: State Highway Agency,  Approaching Roadway Width: 128.0m (419.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.9m (35.8ft),  Curb-To-Curb Width: 13.7m (44.9ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable 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 2016,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 709,  Location: 600 FT S WHITEFEATHER RD (Lat: 43.894992,  Lng: -83.985894),  Route carried "on" structure: County highway ,  Year Built: 1937,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 274 (year 2000),  Truck Traffic: 2%,  Average Future Daily Traffic: 438 (year 2020),  Design Load: H 15,  Features Intersected: WHITEFEATHER DRAIN,  Facility Carried by Structure: MACKINAW RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 41.333,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 98.0m (321.5ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Poor,  Superstructure: Serious,  Substructure: Serious,  Channel: Fair,  Operating Rating: 2.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  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: > 39.9% below),  Length Of Structure Improvement: 9.10m (29.86ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: April 2017,  Bridge Improvement Cost: $137,000,  Roadway Improvement Cost: $8,000,  Total Project Cost: $145,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 1946,  Location: 0.5 MI E OF FRANCIS RD (Lat: 42.943375,  Lng: -84.650036),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 1.03m (3.38ft),  Average Daily Traffic: 183 (year 2011),  Average Future Daily Traffic: 331 (year 2031),  Design Load: HS 20,  Features Intersected: BAD CREEK,  Facility Carried by Structure: CENTER LINE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 4.508,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 73.0m (239.5ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.7m (31.8ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.4m (17.7ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Poor,  Operating Rating: 59.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 13.40m (43.96ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2017,  Bridge Improvement Cost: $171,000,  Roadway Improvement Cost: $40,000,  Total Project Cost: $211,000,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 1947,  Location: 0.3 MI W OF FOREST HILL (Lat: 42.958017,  Lng: -84.689797),  Route carried "on" structure: County highway ,  Year Built: 1920,  Year Reconstructed: 1980,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 132 (year 2011),  Average Future Daily Traffic: 238 (year 2031),  Design Load: HS 20,  Features Intersected: STONY CREEK,  Facility Carried by Structure: TAFT ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.205,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 85.0m (278.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.2m (59.7ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Poor,  Channel: Poor,  Operating Rating: 58.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2017,  Bridge Improvement Cost: $268,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $240,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 2152,  Location: 1.5 M W 0.5 M N BRAMPTON (Lat: 45.933642,  Lng: -87.102133),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 120 (year 2015),  Average Future Daily Traffic: 145 (year 2035),  Design Load: Greater than HL93,  Features Intersected: DAYS RIVER,  Facility Carried by Structure: COUNTY ROAD F 4
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.431,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 85.0m (278.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.3m (33.8ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Very good,  Operating Rating: 91.7 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: 70.6 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 desirable criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2016,  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: 2339,  Location: 5 MI SW OF CHARLOTTE (Lat: 42.509692,  Lng: -84.867483),  Route carried "on" structure: County highway 2324,  Year Built: 1958,  Status: Open,  Structure Length: 2.56m (8.40ft),  Average Daily Traffic: 694 (year 2010),  Average Future Daily Traffic: 900 (year 2013),  Features Intersected: BATTLE CREEK RIVER,  Facility Carried by Structure: FIVE POINT HWY
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 16.001,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 79.0m (259.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 52.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 31.4 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: 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: April 2017,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 2375,  Location: 2 MI NW OF POTTERVILLE (Lat: 42.662414,  Lng: -84.758575),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.99m (3.25ft),  Average Daily Traffic: 49 (year 2012),  Average Future Daily Traffic: 90 (year 2015),  Design Load: HS 20,  Features Intersected: THORNAPPLE DRAIN,  Facility Carried by Structure: JOHNSON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 0.9m (3.0ft),  Skew: 4 degrees,  Material/Design: Aluminum, Iron,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.9m (32.5ft),  Curb-To-Curb Width: 0.9m (3.0ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 6.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 3.6 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2017
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Structure Number: 3605,  Location: SEC 17-20 HUME TWP (Lat: 43.979594,  Lng: -83.089800),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1981,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 12 (year 2009),  Average Future Daily Traffic: 22 (year 2029),  Design Load: H 20,  Features Intersected: TAFT DRAIN,  Facility Carried by Structure: WITHERSPOON ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.649,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 55.0m (180.4ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.6m (21.7ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 32.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.3 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2017
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Structure Number: 3609,  Location: SEC 32-33 HUME TWP (Lat: 43.944958,  Lng: -83.085161),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 2002,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 30 (year 2009),  Average Future Daily Traffic: 55 (year 2029),  Design Load: HS 20,  Features Intersected: MOORE CREEK,  Facility Carried by Structure: LACKIE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.951,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 73.0m (239.5ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 38.1 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: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2017,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 4624,  Location: 2 MI EAST OF VICKSBURG (Lat: 42.114622,  Lng: -85.485486),  Route carried "on" structure: County highway 3912,  Year Built: 1993,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 4,271 (year 2015),  Truck Traffic: 3%,  Average Future Daily Traffic: 6,923 (year 2035),  Design Load: HS 20,  Features Intersected: PORTAGE RIVER,  Facility Carried by Structure: W AVENUE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 23.005,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 122.0m (400.3ft),  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: 1.7m (5.6ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: 5.9 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2017,  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: 4625,  Location: 1 MI S OF INDIAN LAKE (Lat: 42.127403,  Lng: -85.480508),  Route carried "on" structure: County highway ,  Year Built: 1962,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 981 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 3,450 (year 2025),  Design Load: H 20,  Features Intersected: PORTAGE RIVER,  Facility Carried by Structure: 29TH STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.428,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 91.0m (298.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 51.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 30.5 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2017,  Underwater Inspection Date: June 2017,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 5175,  Location: 200 FT E OF PENNY AVE (Lat: 43.249925,  Lng: -85.391033),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 200 (year 2005),  Average Future Daily Traffic: 340 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: BLACK CREEK,  Facility Carried by Structure: 19 MILE ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.706,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 104.0m (341.2ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.8m (15.7ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 82.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 79.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2017
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Structure Number: 5176,  Location: 0.2 MI W OF HARVARD AVE (Lat: 43.271678,  Lng: -85.415317),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 61 (year 2005),  Average Future Daily Traffic: 100 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: BLACK CREEK,  Facility Carried by Structure: ROOKSBY STREET
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 1.329,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 122.0m (400.3ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.8m (15.7ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 4.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.2 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2017
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Structure Number: 536,  Location: 4.2 MI SE OF IMLAY CITY (Lat: 42.994956,  Lng: -83.006897),  Route carried "on" structure: Interstate 69,  Year Built: 1979,  Status: Open,  Structure Length: 2.89m (9.48ft),  Average Daily Traffic: 6,918 (year 2007),  Truck Traffic: 24%,  Average Future Daily Traffic: 9,017 (year 2018),  Design Load: HS 25 or greater,  Features Intersected: GRAHAM ROAD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 38.397,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 75,  Subroute: 2),  Owner: State Highway Agency,  Approaching Roadway Width: 137.0m (449.5ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.9m (94.8ft),  Curb-To-Curb Width: 12.9m (42.3ft),  Out-to-Out Width: 1.4m (4.6ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Inventory Rating: 74.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.29m (0.95ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2018,  Bridge Improvement Cost: $64,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $41,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 5412,  Location: SEC. 20 DRYDEN TWP. (Lat: 42.922361,  Lng: -83.186264),  Route carried "on" structure: ServiceCounty highway ,  Year Built: 1993,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 230 (year 2016),  Average Future Daily Traffic: 342 (year 2036),  Design Load: HS 20,  Features Intersected: WHIGVILLE CREEK,  Facility Carried by Structure: CASEY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.383,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 61.0m (200.1ft),  Material/Design: Wood or Timber,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.1m (6.9ft)

Condition: Channel: Good,  Culverts: Fair,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2017,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 5636,  Location: 0.2 MI S OF MULBERRY RD (Lat: 41.740525,  Lng: -84.096653),  Route carried "on" structure: County highway ,  Year Built: 1969,  Year Reconstructed: 1992,  Status: Posted for load,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 180 (year 2010),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,000 (year 2031),  Features Intersected: NILE DRAIN,  Facility Carried by Structure: SAND CREEK HWY
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 2.918,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 0.7m (2.3ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 48.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.4 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: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 14.60m (47.90ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2017,  Bridge Improvement Cost: $200,000,  Roadway Improvement Cost: $50,000,  Total Project Cost: $250,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Other
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Structure Number: 5654,  Location: 0.2 MI S OF HACK RD (Lat: 42.075450,  Lng: -83.857503),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 562 (year 2005),  Truck Traffic: 1%,  Average Future Daily Traffic: 700 (year 2025),  Design Load: HS 20,  Features Intersected: MIDDLE BR OF MACON RIVER,  Facility Carried by Structure: MACON HWY
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 9.777,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 91.0m (298.6ft),  Skew: 1 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.3m (20.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 46.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.5 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: High priority of corrective action,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2017,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Other
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Structure Number: 5662,  Location: 0.2 MI W OF INGALL HWY (Lat: 41.751950,  Lng: -84.295231),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 38 (year 2012),  Average Future Daily Traffic: 110 (year 2031),  Design Load: HS 20,  Features Intersected: BLANCHARD DRAIN,  Facility Carried by Structure: RIDGEVILLE RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.464,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 61.0m (200.1ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum 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 2016,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Other
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Structure Number: 6439,  Location: 0.1 MI E OF US-31 (Lat: 44.263789,  Lng: -86.295089),  Route carried "on" structure: State highway 55,  Year Built: 1931,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 10.97m (35.99ft),  Average Daily Traffic: 5,376 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 6,100 (year 2018),  Design Load: HS 20,  Features Intersected: MANISTEE RIVER
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.473,  Lanes on structure: 2,  Base Highway Network: Yes (Inventory Route: 115,  Subroute: 7),  Owner: State Highway Agency,  Approaching Roadway Width: 122.0m (400.3ft),  Navigation Control: Yes ( Vertical Clearance: 25.0m (82.0ft), Horizontal Clearance: 168.0m (551.2ft)),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 18.2m (59.7ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 71.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2017,  Underwater Inspection Date: July 2015,  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: 7176,  Location: 3.6 MI NE OHIO STATE LINE (Lat: 41.781181,  Lng: -83.472297),  Route carried "on" structure: Interstate 75,  Year Built: 1956,  Year Reconstructed: 1975,  Status: Open,  Structure Length: 3.56m (11.68ft),  Average Daily Traffic: 28,842 (year 2007),  Truck Traffic: 26%,  Average Future Daily Traffic: 33,021 (year 2018),  Design Load: HS 20,  Features Intersected: BAY CREEK RD
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 5.715,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes (Inventory Route: 122,  Subroute: 10),  Owner: State Highway Agency,  Approaching Roadway Width: 158.0m (518.4ft),  Skew: 10 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 17.3m (56.8ft),  Out-to-Out Width: 17.8m (58.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 80.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2017,  Total Project Cost: $4,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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