US Bridges

County Line RD over Hennigan Branch

Good

Colbert County, Alabama · Clr South of Ford City · Structure no. 015451

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
2,968
2006 count
Owner
County
County Highway Agency

About this bridge

County Line RD over Hennigan Branch is a concrete culvert carrying County Line RD over Hennigan Branch in Colbert County, Alabama. It was built in 1991, so it is 34 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 2,968 vehicles a day, roughly 10% of them trucks, projected to reach 4,850 by 2043. The structure is 36 ft (11 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Line RD
CrossesHennigan Branch
LocationClr South of Ford City
RouteCounty Highway 30048
StateAlabama
Coordinates34.78312, -87.52855
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating69.8 US tons
Inventory rating41.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,968 (2006)
Projected traffic4,850 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$541,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Line RD over Hennigan Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Line RD over Hennigan 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 September 2023.

How much traffic does County Line RD over Hennigan Branch carry?

About 2,968 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is County Line RD over Hennigan Branch?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns County Line RD over Hennigan Branch?

It is owned by the County Highway Agency.