US Bridges

Old US431 over Snow Creek

Fair

Calhoun County, Alabama · .05 Mi. W JCT SR21 · Structure no. 019324

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
11,203
2023 count
Owner
State
State Highway Agency

About this bridge

Old US431 over Snow Creek is a concrete culvert carrying Old US431 over Snow Creek in Calhoun County, Alabama. It was built in 1960, so it is 65 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 11,203 vehicles a day, roughly 10% of them trucks, projected to reach 15,684 by 2043. The structure is 29 ft (8.9 m) long.

CarriesOld US431
CrossesSnow Creek
Location.05 Mi. W JCT SR21
RouteU.S. Route 1
StateAlabama
Coordinates33.69669, -85.82497
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,203 (2023)
Projected traffic15,684 by 2043
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old US431 over Snow Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Old US431 over Snow 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 November 2024.

How much traffic does Old US431 over Snow Creek carry?

About 11,203 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old US431 over Snow Creek?

The structure is 29 ft (8.9 m) long with a longest span of 14 ft (4.3 m).

Who owns Old US431 over Snow Creek?

It is owned by the State Highway Agency.