US Bridges

River RD over Hennigan Branch

Fair

Colbert County, Alabama · River RD E of Ford City · Structure no. 014981

Built
1934
91 years old, rebuilt 1990
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
3,000
2006 count
Owner
County
County Highway Agency

About this bridge

River RD over Hennigan Branch is a concrete culvert carrying River RD over Hennigan Branch in Colbert County, Alabama. It was built in 1934 and reconstructed in 1990, so it is 91 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,500 by 2042. The structure is 25 ft (7.5 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRiver RD
CrossesHennigan Branch
LocationRiver RD E of Ford City
RouteCounty Highway 40
StateAlabama
Coordinates34.78564, -87.52368
Functional classRural Major Collector

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.5 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2006)
Projected traffic3,500 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$374,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was River RD over Hennigan Branch built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1990.

What condition is River RD over Hennigan 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 April 2024.

How much traffic does River RD over Hennigan Branch carry?

About 3,000 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is River RD over Hennigan Branch?

The structure is 25 ft (7.5 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns River RD over Hennigan Branch?

It is owned by the County Highway Agency.