US Bridges

County 27 over Henderson Branch

Fair

Bibb County, Alabama · .4MI S West Blocton Hs · Structure no. 001769

Built
1938
87 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
462
1989 count
Owner
County
County Highway Agency

About this bridge

County 27 over Henderson Branch is a concrete culvert carrying County 27 over Henderson Branch in Bibb County, Alabama. It was built in 1938, so it is 87 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 462 vehicles a day, roughly 20% of them trucks, projected to reach 700 by 2034. The structure is 24 ft (7.3 m) long.

Location

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CarriesCounty 27
CrossesHenderson Branch
Location.4MI S West Blocton Hs
RouteCounty Highway 27
CountyBibb County
StateAlabama
Coordinates33.1088, -87.13137
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating24.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (1989)
Projected traffic700 by 2034
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$420,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County 27 over Henderson Branch built?

It was built in 1938, making it 87 years old in 2025.

What condition is County 27 over Henderson 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 January 2025.

How much traffic does County 27 over Henderson Branch carry?

About 462 vehicles per day (1989 count), of which roughly 20% are trucks.

How long is County 27 over Henderson Branch?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns County 27 over Henderson Branch?

It is owned by the County Highway Agency.