US Bridges

Al 25 over Cahaba River (-)

Good

Bibb County, Alabama · Centreville · Structure no. 012953

Built
1983
42 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
502 ft
3 main spans
Daily traffic
4,125
2013 count
Owner
State
State Highway Agency

About this bridge

Al 25 over Cahaba River (-) is a steel continuous stringer/multi-beam or girder carrying Al 25 over Cahaba River (-) in Bibb County, Alabama. It was built in 1983, so it is 42 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 4,125 vehicles a day, roughly 13% of them trucks, projected to reach 5,469 by 2033. The structure is 502 ft (153 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAl 25
CrossesCahaba River (-)
LocationCentreville
RouteState Highway 25
CountyBibb County
StateAlabama
Coordinates32.94477, -87.1407
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length502 ft (153 m)
Longest span140 ft (42.7 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,125 (2013)
Projected traffic5,469 by 2033
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 25 over Cahaba River (-) built?

It was built in 1983, making it 42 years old in 2025.

What condition is Al 25 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 December 2024.

How much traffic does Al 25 over Cahaba River (-) carry?

About 4,125 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is Al 25 over Cahaba River (-)?

The structure is 502 ft (153 m) long with a longest span of 140 ft (42.7 m) and a deck 38 ft wide.

Who owns Al 25 over Cahaba River (-)?

It is owned by the State Highway Agency.