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US 280 over CAHABA RIVER

Map

Coordinates:
+33.43200, -86.71333
33°25'55" N, 86°42'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 280 over CAHABA RIVER
Structure number:015300
Location:JEFF/SHELBY CO. LN.
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:80.1 ft. [24.4 m]
Total length:407.2 ft. [124.1 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1991
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:Steel continuous [4]
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: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:38,675 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
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 assessed or calculated scour condition. [5]
Operating rating:47.5 tons [43.2 metric tons]
Inventory rating:28.5 tons [25.9 metric tons]
Sufficiency rating:68.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,397,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201668.5FairSatisfactorySatisfactoryGoodFO38675
March 201468.5FairSatisfactorySatisfactoryGoodFO38675
March 201268.7FairSatisfactorySatisfactoryGoodFO37730
March 201068.2FairSatisfactorySatisfactoryGoodFO41470
February 200868.4FairSatisfactorySatisfactoryGoodFO39470
January 200668.9FairSatisfactorySatisfactoryGoodFO35860
February 200474.9FairSatisfactorySatisfactoryGoodFO33610
February 200274.9FairSatisfactorySatisfactoryGoodFO33610
February 200076.9FairSatisfactorySatisfactoryGood-34945
February 199877.4FairSatisfactorySatisfactoryGood-31140
November 199578.3FairSatisfactorySatisfactoryGood-28740
October 199366.1FairFairFairGood-25335
February 199175.0FairGoodSatisfactorySatisfactory-20875

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.8007762400
Steel Protective Coatingsq. ft.2,40002,40000
Reinforced Concrete Girder/Beamlinear ft.1,0201,0080120
Deck
Reinforced Concrete Decksq. ft.17,82001,22616,5940
Substructure
Reinforced Concrete Columneach98100
Reinforced Concrete Abutmentlinear ft.108108000
Steel Pileeach1413100
Reinforced Concrete Pier Caplinear ft.2802700100
Bearings
Elastomeric Bearingeach2424000
Movable Bearingeach1200120
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.810810000