Share:

US 31 over 21 ST AVE SO

Map

Coordinates:
+33.49160, -86.78695
33°29'30" N, 86°47'13" W

Facts

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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.1,1691,1432600
Deck
Reinforced Concrete Decksq. ft.8,38108,37524
Wearing Surfacessq. ft.7,7967,796000
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.130130000
Reinforced Concrete Pier Caplinear ft.8888000
Joints
Strip Seal Jointlinear ft.9500095
Bearings
Movable Bearingeach1806120
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.390039000