US Bridges

Al 25 over Mahan Creek

Fair

Bibb County, Alabama · 1.0 MI S Shelby CO Line · Structure no. 002564

Built
1928
97 years old, rebuilt 1941
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
263 ft
1 main span
Daily traffic
4,371
2021 count
Owner
State
State Highway Agency

About this bridge

Al 25 over Mahan Creek is a steel stringer/multi-beam or girder carrying Al 25 over Mahan Creek in Bibb County, Alabama. It was built in 1928 and reconstructed in 1941, so it is 97 years old, older 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 5 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 4,371 vehicles a day, roughly 15% of them trucks, projected to reach 5,887 by 2041. The structure is 263 ft (80.2 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesAl 25
CrossesMahan Creek
Location1.0 MI S Shelby CO Line
RouteState Highway 25
CountyBibb County
StateAlabama
Coordinates33.05597, -86.93648
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadH 15
Structure length263 ft (80.2 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,371 (2021)
Projected traffic5,887 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 25 over Mahan Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1941.

What condition is Al 25 over Mahan Creek 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 December 2024.

How much traffic does Al 25 over Mahan Creek carry?

About 4,371 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Al 25 over Mahan Creek?

The structure is 263 ft (80.2 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns Al 25 over Mahan Creek?

It is owned by the State Highway Agency.