US Bridges

US 82 over Cahaba River (+)

Good

Bibb County, Alabama · 0.1 MI W JCT SR 25 · Structure no. 016952

Built
1997
28 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
840 ft
7 main spans
Daily traffic
2,610
2013 count
Owner
State
State Highway Agency

About this bridge

US 82 over Cahaba River (+) is a prestressed concrete stringer/multi-beam or girder carrying US 82 over Cahaba River (+) in Bibb County, Alabama. It was built in 1997, so it is 28 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,610 vehicles a day, roughly 23% of them trucks, projected to reach 3,379 by 2033. The structure is 840 ft (256 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 82
CrossesCahaba River (+)
Location0.1 MI W JCT SR 25
RouteU.S. Route 82
StateAlabama
Coordinates32.95781, -87.14078
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length840 ft (256 m)
Longest span120 ft (36.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,610 (2013)
Projected traffic3,379 by 2033
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 82 over Cahaba River (+) built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 82 over Cahaba River (+) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does US 82 over Cahaba River (+) carry?

About 2,610 vehicles per day (2013 count), of which roughly 23% are trucks.

How long is US 82 over Cahaba River (+)?

The structure is 840 ft (256 m) long with a longest span of 120 ft (36.6 m) and a deck 43 ft wide.

Who owns US 82 over Cahaba River (+)?

It is owned by the State Highway Agency.