US Bridges

US 431 over Lake Street

Fair

Etowah County, Alabama · .1 Mi.So.Coosa River · Structure no. 005068

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
33,655
2021 count
Owner
State
State Highway Agency

About this bridge

US 431 over Lake Street is a concrete continuous tee beam carrying US 431 over Lake Street in Etowah County, Alabama. It was built in 1955, so it is 70 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 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 33,655 vehicles a day, roughly 6% of them trucks, projected to reach 47,117 by 2041. The structure is 116 ft (35.4 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 431
CrossesLake Street
Location.1 Mi.So.Coosa River
RouteU.S. Route 431
StateAlabama
Coordinates34.01173, -85.9929
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.8 US tons
Inventory rating27.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span48 ft (14.6 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,655 (2021)
Projected traffic47,117 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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$2.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 431 over Lake Street built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 431 over Lake Street 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 May 2023.

How much traffic does US 431 over Lake Street carry?

About 33,655 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 431 over Lake Street?

The structure is 116 ft (35.4 m) long with a longest span of 48 ft (14.6 m) and a deck 68 ft wide.

Who owns US 431 over Lake Street?

It is owned by the State Highway Agency.