US Bridges

US 431 over Line Creek

Fair

Etowah County, Alabama · 1 Mi. No .Us 278 · Structure no. 005435

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
7,924
2023 count
Owner
State
State Highway Agency

About this bridge

US 431 over Line Creek is a concrete tee beam carrying US 431 over Line Creek in Etowah County, Alabama. It was built in 1956, so it is 69 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 7,924 vehicles a day, roughly 10% of them trucks, projected to reach 11,094 by 2043. The structure is 170 ft (51.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 431
CrossesLine Creek
Location1 Mi. No .Us 278
RouteU.S. Route 431
CountyEtowah County
StateAlabama
Coordinates34.04679, -86.11112
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.5 US tons
Inventory rating32.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,924 (2023)
Projected traffic11,094 by 2043
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 431 over Line Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 431 over Line 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 July 2023.

How much traffic does US 431 over Line Creek carry?

About 7,924 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 431 over Line Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns US 431 over Line Creek?

It is owned by the State Highway Agency.