US Bridges

US 80 Wbl over Cahaba River

Fair

Dallas County, Alabama · 5.5 Mi. W. of Al 219 · Structure no. 018018

Built
2004
21 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
535 ft
6 main spans
Daily traffic
2,450
2013 count
Owner
State
State Highway Agency

About this bridge

US 80 Wbl over Cahaba River is a prestressed concrete stringer/multi-beam or girder carrying US 80 Wbl over Cahaba River in Dallas County, Alabama. It was built in 2004, so it is 21 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,450 vehicles a day, roughly 26% of them trucks, projected to reach 3,203 by 2033. The structure is 535 ft (163.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 80 Wbl
CrossesCahaba River
Location5.5 Mi. W. of Al 219
RouteU.S. Route 80
CountyDallas County
StateAlabama
Coordinates32.44458, -87.18087
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length535 ft (163.1 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2013)
Projected traffic3,203 by 2033
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 80 Wbl over Cahaba River built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 80 Wbl over Cahaba River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does US 80 Wbl over Cahaba River carry?

About 2,450 vehicles per day (2013 count), of which roughly 26% are trucks.

How long is US 80 Wbl over Cahaba River?

The structure is 535 ft (163.1 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US 80 Wbl over Cahaba River?

It is owned by the State Highway Agency.