US Bridges

Plank Branch Road over Mill Creek

FairPosted for load

Covington County, Alabama · T6N S7 R14E · Structure no. 007841

Built
1932
93 years old, rebuilt 1963
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
220
1994 count
Owner
County
County Highway Agency

About this bridge

Plank Branch Road over Mill Creek is a concrete slab carrying Plank Branch Road over Mill Creek in Covington County, Alabama. It was built in 1932 and reconstructed in 1963, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 1% of them trucks, projected to reach 327 by 2032. The structure is 32 ft (9.8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPlank Branch Road
CrossesMill Creek
LocationT6N S7 R14E
RouteCounty Highway 0
StateAlabama
Coordinates31.50199, -86.68608
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating3 US tons
Inventory rating2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (1994)
Projected traffic327 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$198,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Plank Branch Road over Mill Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1963.

What condition is Plank Branch Road over Mill 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 2024.

How much traffic does Plank Branch Road over Mill Creek carry?

About 220 vehicles per day (1994 count), of which roughly 1% are trucks.

How long is Plank Branch Road over Mill Creek?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 16 ft wide.

Who owns Plank Branch Road over Mill Creek?

It is owned by the County Highway Agency.