US Bridges

US 431 over Paint Rock River

Fair

Marshall County, Alabama · Int Paint Rock River · Structure no. 016235

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
1 main span
Daily traffic
11,269
2022 count
Owner
State
State Highway Agency

About this bridge

US 431 over Paint Rock River is a prestressed concrete stringer/multi-beam or girder carrying US 431 over Paint Rock River in Marshall 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 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 11,269 vehicles a day, roughly 11% of them trucks, projected to reach 15,777 by 2042. The structure is 420 ft (128 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 431
CrossesPaint Rock River
LocationInt Paint Rock River
RouteU.S. Route 431
StateAlabama
Coordinates34.49911, -86.39057
Functional classRural Principal Arterial - Other

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 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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.5 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length420 ft (128 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,269 (2022)
Projected traffic15,777 by 2042
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 431 over Paint Rock River built?

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

What condition is US 431 over Paint Rock River 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 June 2024.

How much traffic does US 431 over Paint Rock River carry?

About 11,269 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US 431 over Paint Rock River?

The structure is 420 ft (128 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US 431 over Paint Rock River?

It is owned by the State Highway Agency.