US Bridges

US 231 over Dunlap Creek

Fair

Elmore County, Alabama · 3.8MI.SCOOSACOLINE · Structure no. 015499

Built
1931
94 years old, rebuilt 1992
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
2,100
2013 count
Owner
State
State Highway Agency

About this bridge

US 231 over Dunlap Creek is a concrete continuous culvert carrying US 231 over Dunlap Creek in Elmore County, Alabama. It was built in 1931 and reconstructed in 1992, so it is 94 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 2,100 vehicles a day, roughly 7% of them trucks, projected to reach 2,619 by 2033. The structure is 23 ft (7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS 231
CrossesDunlap Creek
Location3.8MI.SCOOSACOLINE
RouteU.S. Route 231
StateAlabama
Coordinates32.70597, -86.24019
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.8 US tons
Inventory rating33.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2013)
Projected traffic2,619 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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$442,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 231 over Dunlap Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1992.

What condition is US 231 over Dunlap 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 May 2024.

How much traffic does US 231 over Dunlap Creek carry?

About 2,100 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is US 231 over Dunlap Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns US 231 over Dunlap Creek?

It is owned by the State Highway Agency.