US Bridges

Old Union Road over Flat Creek

Fair

Marion County, Alabama · .1 Mile East JCT Strd 5 · Structure no. 012450

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
60
2001 count
Owner
County
County Highway Agency

About this bridge

Old Union Road over Flat Creek is a concrete culvert carrying Old Union Road over Flat Creek in Marion County, Alabama. It was built in 1981, so it is 44 years old, younger 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 60 vehicles a day, projected to reach 117 by 2035. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld Union Road
CrossesFlat Creek
Location.1 Mile East JCT Strd 5
RouteCounty Highway 0
CountyMarion County
StateAlabama
Coordinates34.25078, -87.68175
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 rating85.1 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length30 ft (9.1 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 traffic60 (2001)
Projected traffic117 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$321,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Union Road over Flat Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Old Union 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 Old Union Road over Flat Creek carry?

About 60 vehicles per day (2001 count).

How long is Old Union Road over Flat Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Old Union Road over Flat Creek?

It is owned by the County Highway Agency.