US Bridges

SR1 / US431 over Branch

Good

Calhoun County, Alabama · .8 Mi. North of SR4/US78 · Structure no. 019518

Built
2003
22 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
24,949
2023 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 2003, so it is 22 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,949 vehicles a day, roughly 5% of them trucks, projected to reach 34,929 by 2043. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1 / US431
CrossesBranch
Location.8 Mi. North of SR4/US78
RouteU.S. Route 431
StateAlabama
Coordinates33.62711, -85.78614
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,949 (2023)
Projected traffic34,929 by 2043
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1 / US431 over Branch built?

It was built in 2003, making it 22 years old in 2025.

What condition is SR1 / US431 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does SR1 / US431 over Branch carry?

About 24,949 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR1 / US431 over Branch?

The structure is 34 ft (10.3 m) long with a longest span of 8 ft (2.4 m).

Who owns SR1 / US431 over Branch?

It is owned by the State Highway Agency.