US Bridges

SR1/US431 over Cornhouse Creek

Fair

Randolph County, Alabama · 6.6 MI N Roanoke · Structure no. 000327

Built
1926
99 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Concrete
Length
68 ft
1 main span
Daily traffic
5,607
2023 count
Owner
State
State Highway Agency

About this bridge

SR1/US431 over Cornhouse Creek is a concrete arch - deck carrying SR1/US431 over Cornhouse Creek in Randolph County, Alabama. It was built in 1926, 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 5 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 5,607 vehicles a day, roughly 9% of them trucks, projected to reach 7,850 by 2043. The structure is 68 ft (20.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1/US431
CrossesCornhouse Creek
Location6.6 MI N Roanoke
RouteU.S. Route 431
StateAlabama
Coordinates33.23882, -85.44209
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.3 US tons
Inventory rating22.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,607 (2023)
Projected traffic7,850 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$685,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1/US431 over Cornhouse Creek built?

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

What condition is SR1/US431 over Cornhouse Creek 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 January 2025.

How much traffic does SR1/US431 over Cornhouse Creek carry?

About 5,607 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR1/US431 over Cornhouse Creek?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns SR1/US431 over Cornhouse Creek?

It is owned by the State Highway Agency.