US Bridges

CO RD 797 over Red River Branch

Fair

DeKalb County, Alabama · 2 MI N CO Rt 140 T4 R10 · Structure no. 008757

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
72
2024 count
Owner
County
County Highway Agency

About this bridge

CO RD 797 over Red River Branch is a concrete culvert carrying CO RD 797 over Red River Branch in DeKalb County, Alabama. It was built in 1965, so it is 60 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 72 vehicles a day, roughly 3% of them trucks, projected to reach 107 by 2044. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCO RD 797
CrossesRed River Branch
Location2 MI N CO Rt 140 T4 R10
RouteCounty Highway 31
StateAlabama
Coordinates34.71491, -85.56039
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating29.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2024)
Projected traffic107 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$196,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 797 over Red River Branch built?

It was built in 1965, making it 60 years old in 2025.

What condition is CO RD 797 over Red River 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 February 2024.

How much traffic does CO RD 797 over Red River Branch carry?

About 72 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is CO RD 797 over Red River Branch?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns CO RD 797 over Red River Branch?

It is owned by the County Highway Agency.