US Bridges

Slaughter Pen Road over Flat Creek

Fair

Marion County, Alabama · 0.1 MI North of ST RD 5 · Structure no. 013153

Built
1970
55 years old, rebuilt 1984
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
30
2001 count
Owner
County
County Highway Agency

About this bridge

Slaughter Pen Road over Flat Creek is a concrete culvert carrying Slaughter Pen Road over Flat Creek in Marion County, Alabama. It was built in 1970 and reconstructed in 1984, so it is 55 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 30 vehicles a day, projected to reach 59 by 2035. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSlaughter Pen Road
CrossesFlat Creek
Location0.1 MI North of ST RD 5
RouteCounty Highway 0
CountyMarion County
StateAlabama
Coordinates34.24358, -87.66103
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 alignment6: Equal to present minimum criteria
Operating rating53.5 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 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 traffic30 (2001)
Projected traffic59 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$239,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Slaughter Pen Road over Flat Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1984.

What condition is Slaughter Pen Road over Flat 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 Slaughter Pen Road over Flat Creek carry?

About 30 vehicles per day (2001 count).

How long is Slaughter Pen Road over Flat Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Slaughter Pen Road over Flat Creek?

It is owned by the County Highway Agency.