US Bridges

SR1/US431 over Branch

Fair

Calhoun County, Alabama · 0.5 MI N Old US 431 · Structure no. 006896

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
52 ft
5 main spans
Daily traffic
19,631
2022 count
Owner
State
State Highway Agency

About this bridge

SR1/US431 over Branch is a concrete culvert carrying SR1/US431 over Branch 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 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 19,631 vehicles a day, roughly 9% of them trucks, projected to reach 27,483 by 2042. The structure is 52 ft (16 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR1/US431
CrossesBranch
Location0.5 MI N Old US 431
RouteU.S. Route 431
CountyCalhoun County
StateAlabama
Coordinates33.73025, -85.87849
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating80 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length52 ft (16 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 traffic19,631 (2022)
Projected traffic27,483 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-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$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1/US431 over Branch built?

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

What condition is SR1/US431 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 October 2023.

How much traffic does SR1/US431 over Branch carry?

About 19,631 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR1/US431 over Branch?

The structure is 52 ft (16 m) long with a longest span of 10 ft (3 m).

Who owns SR1/US431 over Branch?

It is owned by the State Highway Agency.