+45.29441, -94.67246
45°17'40" N, 94°40'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 4 over N FK CROW RIVER
Structure number:6854
Location:10.0 MI N OF GROVE CITY
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:57.4 ft. [17.5 m]
Total length:123.0 ft. [37.5 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: September 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,198 [as of 2008]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:60.7 tons [55.2 metric tons]
Inventory rating:36.4 tons [33.1 metric tons]
Sufficiency rating:88.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$427,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201588.0FairSatisfactorySatisfactorySatisfactory-1198
September 201388.0FairSatisfactorySatisfactorySatisfactory-1198
September 201188.0FairSatisfactorySatisfactorySatisfactory-1198
September 200987.0FairSatisfactorySatisfactorySatisfactory-1198
September 200787.0FairGoodSatisfactorySatisfactory-1200
October 200688.0FairGoodSatisfactoryGood-1200
September 200488.1FairGoodSatisfactoryGood-1150
November 200289.4FairGoodSatisfactoryGood-810
October 200085.9FairGoodSatisfactoryGood-810
September 199985.8FairGoodSatisfactoryGood-900
September 199885.9FairGoodSatisfactoryGood-810
October 199683.9GoodGoodGoodGood-1200
October 199581.9GoodGoodGoodGood-1200
December 199483.2GoodGoodGoodGood-910
November 199383.2GoodGoodGoodGood-910
July 199281.9GoodGoodGoodGood-1200
October 199181.9GoodGoodVery GoodVery Good-1200