US Bridges

I - 20 over Cane Creek

Fair

St. Clair County, Alabama · I 20 / Cane Creek · Structure no. 015321

Built
1991
34 years old, rebuilt 2010
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
51,010
2024 count
Owner
State
State Highway Agency

About this bridge

I - 20 over Cane Creek is a prestressed concrete stringer/multi-beam or girder carrying I - 20 over Cane Creek in St. Clair County, Alabama. It was built in 1991 and reconstructed in 2010, so it is 34 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 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 51,010 vehicles a day, roughly 28% of them trucks, projected to reach 61,629 by 2044. The structure is 167 ft (50.9 m) long and 121 ft wide.

CarriesI - 20
CrossesCane Creek
LocationI 20 / Cane Creek
RouteInterstate 20
StateAlabama
Coordinates33.59583, -86.38917
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.2 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span56 ft (17.1 m)
Deck width121 ft (36.9 m)
Roadway width121 ft (36.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,010 (2024)
Projected traffic61,629 by 2044
Trucks28%
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$5.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I - 20 over Cane Creek built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2010.

What condition is I - 20 over Cane 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 October 2024.

How much traffic does I - 20 over Cane Creek carry?

About 51,010 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is I - 20 over Cane Creek?

The structure is 167 ft (50.9 m) long with a longest span of 56 ft (17.1 m) and a deck 121 ft wide.

Who owns I - 20 over Cane Creek?

It is owned by the State Highway Agency.