US Bridges

I 20 over Wolf Creek

Fair

St. Clair County, Alabama · .3 Mi. W. Eden Exit · Structure no. 007217

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
77 ft
5 main spans
Daily traffic
46,760
2024 count
Owner
State
State Highway Agency

About this bridge

I 20 over Wolf Creek is a concrete culvert carrying I 20 over Wolf Creek in St. Clair County, Alabama. It was built in 1961, so it is 64 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 46,760 vehicles a day, roughly 30% of them trucks, projected to reach 56,494 by 2044. The structure is 77 ft (23.5 m) long.

CarriesI 20
CrossesWolf Creek
Location.3 Mi. W. Eden Exit
RouteInterstate 20
StateAlabama
Coordinates33.60139, -86.31278
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,760 (2024)
Projected traffic56,494 by 2044
Trucks30%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 20 over Wolf Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 20 over Wolf 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 July 2024.

How much traffic does I 20 over Wolf Creek carry?

About 46,760 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is I 20 over Wolf Creek?

The structure is 77 ft (23.5 m) long with a longest span of 15 ft (4.6 m).

Who owns I 20 over Wolf Creek?

It is owned by the State Highway Agency.