US Bridges

US 31 over Branch

Fair

Autauga County, Alabama · 3.0 MI N of Prattville · Structure no. 002632

Built
1926
99 years old, rebuilt 1942
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
9,110
2013 count
Owner
State
State Highway Agency

About this bridge

US 31 over Branch is a concrete continuous culvert carrying US 31 over Branch in Autauga County, Alabama. It was built in 1926 and reconstructed in 1942, so it is 99 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 9,110 vehicles a day, roughly 8% of them trucks, projected to reach 11,702 by 2033. The structure is 22 ft (6.7 m) long.

CarriesUS 31
CrossesBranch
Location3.0 MI N of Prattville
RouteU.S. Route 31
StateAlabama
Coordinates32.49006, -86.45353
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating27.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 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 traffic9,110 (2013)
Projected traffic11,702 by 2033
Trucks8%
Lanes on structure2
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$413,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Branch built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1942.

What condition is US 31 over Branch 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 31 over Branch carry?

About 9,110 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is US 31 over Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns US 31 over Branch?

It is owned by the State Highway Agency.