US 31 over 21 ST AVE SO


+33.49168, -86.78677
33°29'30" N, 86°47'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 31 over 21 ST AVE SO
Structure number:008235
Old structure number:00000003370097A (from 1992 edition)
Location:US 31 * 21 ST AVE SO
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:74.2 ft. [22.6 m]
Total length:194.9 ft. [59.4 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1964
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:3
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:39,880 [as of 2017]
Truck traffic:3% 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:50.3 tons [45.7 metric tons]
Inventory rating:30.1 tons [27.4 metric tons]
Sufficiency rating:67.3
Estimated cost of work:$2,264,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201767.3FairSatisfactorySatisfactorySatisfactory-39880
February 201587.4FairSatisfactorySatisfactoryGood-39880
February 201387.4FairSatisfactorySatisfactoryGood-39965
February 201187.4FairSatisfactorySatisfactoryGood-39030
February 200987.1GoodGoodGoodGood-42145
February 200792.4GoodGoodGoodGood-37770
February 200592.6GoodGoodGoodVery Good-35920
February 200392.6GoodGoodGoodVery Good-35780
April 200192.6GoodGoodGoodVery Good-35780
April 199991.9GoodGoodGoodVery Good-42545
December 199692.2GoodGoodGoodVery Good-39815
January 199593.0GoodGoodGoodVery Good-39245
December 199292.1GoodGoodGoodVery Good-37690
November 199092.0GoodGoodGoodGood-39660