US Bridges

County Road 57 over Tervin Mill Creek

Good

Covington County, Alabama · Tervin Mill Road · Structure no. 018366

Built
2002
23 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
300
2000 count
Owner
County
County Highway Agency

About this bridge

County Road 57 over Tervin Mill Creek is a concrete culvert carrying County Road 57 over Tervin Mill Creek in Covington County, Alabama. It was built in 2002, so it is 23 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 3% of them trucks, projected to reach 689 by 2030. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCounty Road 57
CrossesTervin Mill Creek
LocationTervin Mill Road
RouteCounty Highway 57
StateAlabama
Coordinates31.38507, -86.37025
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2000)
Projected traffic689 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$477,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 57 over Tervin Mill Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 57 over Tervin Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does County Road 57 over Tervin Mill Creek carry?

About 300 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is County Road 57 over Tervin Mill Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road 57 over Tervin Mill Creek?

It is owned by the County Highway Agency.