+34.70917, -86.60972
34°42'33" N, 86°36'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 231; SR 53 over SERVICE ROAD LOOP
Structure number:010056
Location:2 MI S JCT US 431 * SR 53
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:81.0 ft. [24.7 m]
Total length:286.1 ft. [87.2 m]
Roadway width between curbs:81.7 ft. [24.9 m]
Deck width edge-to-edge:89.2 ft. [27.2 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100,360 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:87.3 tons [79.4 metric tons]
Inventory rating:52.3 tons [47.5 metric tons]
Sufficiency rating:93.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$6,513,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201693.0FairSatisfactoryGoodGood-100360
October 201493.0FairSatisfactoryGoodGood-100730
October 201292.0FairSatisfactoryGoodGood-94920
October 201092.0FairSatisfactoryGoodGood-89220
October 200892.0FairSatisfactoryGoodGood-91410
October 200693.0FairSatisfactoryGoodGood-100230
October 200493.0FairSatisfactoryGoodGood-93350
October 200292.0FairSatisfactoryGoodGood-86710
October 200089.0FairSatisfactoryGoodGood-67710
October 199889.0FairSatisfactoryGoodGood-82850
October 199689.0FairSatisfactoryGoodGood-77570
October 199489.0FairSatisfactoryGoodGood-67890
October 199276.0GoodGoodGoodGoodFO67190