US Bridges

County Dirt RD over Lightwoodknot Creek

Fair

Covington County, Alabama · 1MI E of Union Grove Ch · Structure no. 011530

Built
1929
96 years old, rebuilt 1976
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
138 ft
7 main spans
Daily traffic
110
1994 count
Owner
County
County Highway Agency

About this bridge

County Dirt RD over Lightwoodknot Creek is a concrete channel beam carrying County Dirt RD over Lightwoodknot Creek in Covington County, Alabama. It was built in 1929 and reconstructed in 1976, so it is 96 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 5 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 144 by 2033. The structure is 138 ft (42.1 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Dirt RD
CrossesLightwoodknot Creek
Location1MI E of Union Grove Ch
RouteCounty Highway 0
StateAlabama
Coordinates31.37194, -86.25303
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating49.9 US tons
Inventory rating30.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length138 ft (42.1 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (1994)
Projected traffic144 by 2033
Trucks1%
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 proposedNone recorded
Estimated improvement cost$976,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Dirt RD over Lightwoodknot Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1976.

What condition is County Dirt RD over Lightwoodknot 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 April 2024.

How much traffic does County Dirt RD over Lightwoodknot Creek carry?

About 110 vehicles per day (1994 count), of which roughly 1% are trucks.

How long is County Dirt RD over Lightwoodknot Creek?

The structure is 138 ft (42.1 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns County Dirt RD over Lightwoodknot Creek?

It is owned by the County Highway Agency.