US 31 over 21 ST AVE SO


+33.49160, -86.78695
33°29'30" N, 86°47'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 31 over 21 ST AVE SO
Structure number:008236
Old structure number:00000003370097B (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:42,050 [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:67.0
Estimated cost of work:$2,264,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201767.0FairSatisfactorySatisfactorySatisfactory-42050
February 201567.0FairSatisfactoryGoodGood-42050
February 201367.0FairSatisfactoryGoodGood-42135
February 201169.3FairSatisfactoryGoodGood-39495
February 200968.9GoodGoodGoodGood-42650
February 200773.8GoodGoodGoodVery Good-43100
February 200574.0GoodGoodGoodVery Good-41120
February 200374.1GoodGoodGoodVery Good-40915
April 200174.1GoodGoodGoodVery Good-40915
April 199973.9GoodGoodGoodVery Good-42545
December 199674.2GoodGoodGoodVery Good-39815
January 199575.2GoodGoodGoodVery Good-39245
December 199274.4GoodGoodGoodVery Good-37690
November 199074.2GoodGoodVery GoodVery Good-39660