US Bridges

US 31 over Sepulga River

Fair

Conecuh County, Alabama · 1.6 MI N CO RD 26 · Structure no. 011788

Built
1977
48 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
609 ft
3 main spans
Daily traffic
577
2023 count
Owner
State
State Highway Agency

About this bridge

US 31 over Sepulga River is a steel continuous stringer/multi-beam or girder carrying US 31 over Sepulga River in Conecuh County, Alabama. It was built in 1977, so it is 48 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 577 vehicles a day, roughly 12% of them trucks, projected to reach 866 by 2043. The structure is 609 ft (185.6 m) long and 47 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS 31
CrossesSepulga River
Location1.6 MI N CO RD 26
RouteU.S. Route 31
StateAlabama
Coordinates31.45416, -86.78744
Functional classRural Major 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
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadHS 20
Structure length609 ft (185.6 m)
Longest span100 ft (30.5 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic577 (2023)
Projected traffic866 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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$6.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Sepulga River built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 31 over Sepulga 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 February 2025.

How much traffic does US 31 over Sepulga River carry?

About 577 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 31 over Sepulga River?

The structure is 609 ft (185.6 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.

Who owns US 31 over Sepulga River?

It is owned by the State Highway Agency.