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Bridge Statistics for Forest Lake, Minnesota (MN) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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National Bridge Inventory (NBI) Statistics
Number of bridges: 12
Total length: 74 meters (243ft)
Total average daily traffic: 232,644
Total average daily truck traffic: 7,665
National Bridge Inventory (NBI) Registered Bridges for Forest Lake

New bridges - Historical Statistics

  • 1920-1929: 1
  • 1930-1939: 0
  • 1940-1949: 0
  • 1950-1959: 0
  • 1960-1969: 8
  • 1970-1979: 0
  • 1980-1989: 0
  • 1990-1999: 2
  • 2000-2009: 1

Average Daily Traffic

Bridge Condition - Deck

Bridge Condition - Substructure

Bridge Condition - Channel

Bridge Condition - Culverts

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Structure Number: 82001,  Location: 0.1 MI W OF JCT TH 61 (Lat: 45.287086,  Lng: -92.983769),  Route carried "on" structure: US 8,  Year Built: 1969,  Status: Open,  Structure Length: 7.34m (24.08ft),  Average Daily Traffic: 21,000 (year 2004),  Truck Traffic: 3%,  Design Load: HS 20,  Features Intersected: 2nd St NW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.4m (63.6ft),  Curb-To-Curb Width: 21.9m (71.9ft),  Out-to-Out Width: 25.1m (82.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 74.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.9 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: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 82002,  Location: 1.0 MI E OF JCT TH 35 (Lat: 45.288975,  Lng: -92.983900),  Route carried "on" structure: US 8,  Year Built: 1969,  Status: Open,  Structure Length: 8.88m (29.13ft),  Average Daily Traffic: 21,000 (year 2004),  Truck Traffic: 3%,  Design Load: HS 20,  Features Intersected: TH 61
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 21.9m (71.9ft),  Out-to-Out Width: 25.1m (82.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 73.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 82801,  Location: 0.5 MI S OF JCT TH 8 (Lat: 45.279408,  Lng: -93.003275),  Route carried "on" structure: County highway 2,  Year Built: 1967,  Status: Open,  Structure Length: 7.05m (23.13ft),  Average Daily Traffic: 13,300 (year 2005),  Design Load: HS 20,  Features Intersected: I 35
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 19.5m (64.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.4m (70.2ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 18.2m (59.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 62.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 82815,  Location: AT JCT TH 8 (Lat: 45.288844,  Lng: -93.003014),  Route carried "on" structure: US 8,  Year Built: 1967,  Status: Open,  Structure Length: 10.85m (35.60ft),  Average Daily Traffic: 10,500 (year 2004),  Truck Traffic: 3%,  Design Load: HS 20,  Features Intersected: I 35
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.8m (104.3ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.9m (35.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 43.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Critical Feature Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 8283,  Location: 1.2 MI N OF FOREST LAKE (Lat: 45.295372,  Lng: -92.986256),  Route carried "on" structure: US 61,  Year Built: 1925,  Status: Open,  Structure Length: 0.55m (1.80ft),  Average Daily Traffic: 13,500 (year 2004),  Truck Traffic: 2%,  Features Intersected: DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 39.2 metric tons,  Inventory Rating: 29.4 metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2007,  Underwater Inspection Date: September 2004,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 82J1,  Location: 1.4 MI S OF JCT CR 50 (Lat: 45.220000,  Lng: -92.958333),  Route carried "on" structure: City street 300,  Year Built: 2002,  Status: Open,  Structure Length: 0.34m (1.12ft),  Average Daily Traffic: 130 (year 2001),  Design Load: HS 25,  Features Intersected: Hardwood Crk (JD # 2),  Facility Carried by Structure: Harrow Ave
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 68.6 metric tons,  Inventory Rating: 40.8 metric tons,  Structural Evaluation: Equal 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: January 2008,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 97418,  Location: 1.4 MI S OF JCT CR 50 (Lat: 45.218564,  Lng: -92.958689),  Route carried "on" structure: City street 300,  Year Built: 1992,  Status: Open,  Structure Length: 0.77m (2.53ft),  Average Daily Traffic: 114 (year 1998),  Design Load: HS 20,  Features Intersected: HARDWOOD CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.9m (9.5ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 53.9 metric tons,  Inventory Rating: 35.9 metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2008,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 82001,  Location: 0.1 MI W OF JCT TH 61 (Lat: 45.287086,  Lng: -92.983769),  Route carried "under" structure: City street 18,  Year Built: 1969,  Structure Length: 7.34m (24.08ft),  Average Daily Traffic: 100 (year 1978),  Features Intersected: 2nd St NW,  Facility Carried by Structure: US 8
Minimum Vertical Clearance: 7.59m (24.90ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.4m (63.6ft)

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Structure Number: 82002,  Location: 1.0 MI E OF JCT TH 35 (Lat: 45.288975,  Lng: -92.983900),  Route carried "under" structure: US 61,  Year Built: 1969,  Structure Length: 8.88m (29.13ft),  Average Daily Traffic: 15,000 (year 2004),  Truck Traffic: 2%,  Features Intersected: TH 61,  Facility Carried by Structure: US 8
Minimum Vertical Clearance: 0.75m (2.46ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 25.0m (82.0ft)

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Structure Number: 82515,  Location: 0.1 MI W OF S JCT TH 61 (Lat: 45.254167,  Lng: -92.985000),  Route carried "under" structure: State highway 97,  Year Built: 1999,  Structure Length: 4.19m (13.75ft),  Average Daily Traffic: 17,000 (year 2004),  Truck Traffic: 4%,  Features Intersected: TH 97,  Facility Carried by Structure: PEDESTRIAN
Minimum Vertical Clearance: 5.27m (17.29ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 41.1m (134.8ft)

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Structure Number: 82801,  Location: 0.5 MI S OF JCT TH 8 (Lat: 45.279408,  Lng: -93.003275),  Route carried "under" structure: Interstate 35,  Year Built: 1967,  Structure Length: 7.05m (23.13ft),  Average Daily Traffic: 71,000 (year 2004),  Truck Traffic: 4%,  Features Intersected: I 35,  Facility Carried by Structure: CSAH 2
Minimum Vertical Clearance: 5.76m (18.90ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.4m (70.2ft)

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Structure Number: 82815,  Location: AT JCT TH 8 (Lat: 45.288844,  Lng: -93.003014),  Route carried "under" structure: Interstate 35,  Year Built: 1967,  Structure Length: 10.85m (35.60ft),  Average Daily Traffic: 50,000 (year 2004),  Truck Traffic: 4%,  Features Intersected: I 35,  Facility Carried by Structure: US 8 WB
Minimum Vertical Clearance: 4.94m (16.21ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 31.8m (104.3ft)

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