US Bridges

SR1/US431 over SR4/US78

Good

Calhoun County, Alabama · Oxford · Structure no. 019147

Built
2003
22 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
840 ft
10 main spans
Daily traffic
40,376
2022 count
Owner
State
State Highway Agency

About this bridge

SR1/US431 over SR4/US78 is a prestressed concrete stringer/multi-beam or girder carrying SR1/US431 over SR4/US78 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 40,376 vehicles a day, roughly 9% of them trucks, projected to reach 56,526 by 2042. The structure is 840 ft (256 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR1/US431
CrossesSR4/US78
LocationOxford
RouteU.S. Route 431
CountyCalhoun County
StateAlabama
Coordinates33.6144, -85.78603
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.1 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length840 ft (256 m)
Longest span130 ft (39.6 m)
Deck width85 ft (25.8 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,376 (2022)
Projected traffic56,526 by 2042
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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$16.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1/US431 over SR4/US78 built?

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

What condition is SR1/US431 over SR4/US78 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 January 2024.

How much traffic does SR1/US431 over SR4/US78 carry?

About 40,376 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR1/US431 over SR4/US78?

The structure is 840 ft (256 m) long with a longest span of 130 ft (39.6 m) and a deck 85 ft wide.

Who owns SR1/US431 over SR4/US78?

It is owned by the State Highway Agency.