US Bridges

CR 81 over Flat Rock Creek

Fair

Jackson County, Alabama · 0.65 MI NW JCT SR 117 · Structure no. 002041

Built
1939
86 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
82
1989 count
Owner
County
County Highway Agency

About this bridge

CR 81 over Flat Rock Creek is a concrete tee beam carrying CR 81 over Flat Rock Creek in Jackson County, Alabama. It was built in 1939, so it is 86 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 82 vehicles a day, roughly 1% of them trucks, projected to reach 135 by 2039. The structure is 28 ft (8.5 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 81
CrossesFlat Rock Creek
Location0.65 MI NW JCT SR 117
RouteCounty Highway 81
CountyJackson County
StateAlabama
Coordinates34.78751, -85.73221
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82 (1989)
Projected traffic135 by 2039
Trucks1%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$263,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 81 over Flat Rock Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is CR 81 over Flat Rock 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 February 2025.

How much traffic does CR 81 over Flat Rock Creek carry?

About 82 vehicles per day (1989 count), of which roughly 1% are trucks.

How long is CR 81 over Flat Rock Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 23 ft wide.

Who owns CR 81 over Flat Rock Creek?

It is owned by the County Highway Agency.