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

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Structure Number: L6079,  Location: 0.5 MI W OF DUBLIN RD (Lat: 47.398261,  Lng: -92.857706),  Route carried "on" structure: City street 296,  Year Built: 1916,  Status: Posted for load,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 12 (year 1969),  Features Intersected: E SWAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.8m (25.6ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Very good,  Operating Rating: 7.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 5.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.30m (4.27ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: August 2007,  Bridge Improvement Cost: $60,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $63,000 ( Estimate for 2006),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: L608,  Location: 1.0 MI W OF JCT CSAH5 (Lat: 47.452883,  Lng: -92.850103),  Route carried "on" structure: City street 354,  Year Built: 1935,  Status: Open,  Structure Length: 0.37m (1.21ft),  Average Daily Traffic: 60 (year 1975),  Features Intersected: E SWAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 29.4 metric tons,  Inventory Rating: 19.6 metric tons,  Structural Evaluation: 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: August 2007,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: L851,  Location: 0.4 MI S OF JCT TH37 (Lat: 47.387992,  Lng: -92.818822),  Route carried "on" structure: City street 347,  Year Built: 1965,  Status: Open,  Structure Length: 0.49m (1.61ft),  Average Daily Traffic: 50 (year 1969),  Features Intersected: DEMPSEY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.9m (16.1ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 29.4 metric tons,  Inventory Rating: 19.6 metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2007,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 69565,  Location: 1.0 MI E OF S JCT TH 73 (Lat: 47.400319,  Lng: -92.941033),  Route carried "under" structure: US 169,  Year Built: 1987,  Structure Length: 7.64m (25.07ft),  Average Daily Traffic: 12,300 (year 2004),  Truck Traffic: 2%,  Features Intersected: US 169,  Facility Carried by Structure: CSAH 57
Minimum Vertical Clearance: 5.46m (17.91ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 39.6m (129.9ft)

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Structure Number: 69605,  Location: 0.2 MI E OF CO LINE (Lat: 47.398294,  Lng: -93.066761),  Route carried "under" structure: County highway 76,  Year Built: 1990,  Structure Length: 4.17m (13.68ft),  Average Daily Traffic: 1,400 (year 2003),  Features Intersected: CSAH 76,  Facility Carried by Structure: BNSF RR
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 69641,  Location: 1.0 MI N OF JCT CSAH 60 (Lat: 47.446667,  Lng: -93.500000),  Route carried "under" structure: County highway 79,  Year Built: 2001,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 300 (year 2003),  Features Intersected: CSAH 79,  Facility Carried by Structure: PRIV HAUL ROAD
Minimum Vertical Clearance: 6.71m (22.01ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 12.2m (40.0ft)

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Structure Number: 92084,  Location: 0.6 MI E OF COUNTY LINE (Lat: 47.393844,  Lng: -93.053631),  Route carried "under" structure: City street 360,  Year Built: 1965,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 200 (year 1975),  Features Intersected: STR 360(OLD 169),  Facility Carried by Structure: WATER FLUME
Minimum Vertical Clearance: 5.52m (18.11ft),  Kilometerpoint: 0.000,  Lanes under structure: 2,  Material/Design: Steel,  Length of Maximum Span: 17.7m (58.1ft)

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Structure Number: 92973,  Location: 0.8 MI E OF W CO LINE (Lat: 47.393625,  Lng: -93.053619),  Route carried "under" structure: US 169,  Year Built: 1973,  Structure Length: 11.89m (39.01ft),  Average Daily Traffic: 8,900 (year 2004),  Truck Traffic: 3%,  Features Intersected: US 169,  Facility Carried by Structure: WATER FLUME
Minimum Vertical Clearance: 8.23m (27.00ft),  Kilometerpoint: 0.000,  Lanes under structure: 4,  Material/Design: Steel,  Length of Maximum Span: 33.5m (109.9ft)