US Bridges

ST Clair CO * over Big Canoe Creek

FairPosted for load

St. Clair County, Alabama · 1.5 W Ashville · Structure no. 004846

Built
1954
71 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
124 ft
5 main spans
Daily traffic
1,543
2017 count
Owner
County
County Highway Agency

About this bridge

ST Clair CO * over Big Canoe Creek is a steel stringer/multi-beam or girder carrying ST Clair CO * over Big Canoe Creek in St. Clair County, Alabama. It was built in 1954, so it is 71 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. Its operating status is: posted for load restriction.

It carries about 1,543 vehicles a day, roughly 4% of them trucks, projected to reach 2,293 by 2037. The structure is 124 ft (37.8 m) long and 21 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesST Clair CO *
CrossesBig Canoe Creek
Location1.5 W Ashville
RouteCounty Highway 20
CountySt. Clair County
StateAlabama
Coordinates33.83283, -86.28333
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.9 US tons
Inventory rating24 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length124 ft (37.8 m)
Longest span29 ft (8.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,543 (2017)
Projected traffic2,293 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$747,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST Clair CO * over Big Canoe Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is ST Clair CO * over Big Canoe 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 March 2023.

How much traffic does ST Clair CO * over Big Canoe Creek carry?

About 1,543 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is ST Clair CO * over Big Canoe Creek?

The structure is 124 ft (37.8 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.

Who owns ST Clair CO * over Big Canoe Creek?

It is owned by the County Highway Agency.