US Bridges

County Road 20 over Devil Head Creek

Fair

Covington County, Alabama · Glen Chambers RD · Structure no. 012772

Built
1982
43 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
210
1994 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Devil Head Creek is a concrete channel beam carrying County Road 20 over Devil Head Creek in Covington County, Alabama. It was built in 1982, so it is 43 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 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 210 vehicles a day, roughly 5% of them trucks, projected to reach 258 by 2030. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesDevil Head Creek
LocationGlen Chambers RD
RouteCounty Highway 20
CountyCovington County
StateAlabama
Coordinates31.07924, -86.43775
Functional classRural Minor Collector

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.
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 inspectionDecember 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67 US tons
Inventory rating41.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (1994)
Projected traffic258 by 2030
Trucks5%
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$348,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 20 over Devil Head Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road 20 over Devil Head 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 December 2024.

How much traffic does County Road 20 over Devil Head Creek carry?

About 210 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is County Road 20 over Devil Head Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns County Road 20 over Devil Head Creek?

It is owned by the County Highway Agency.