US Bridges

ST Clair CO HWY 1 over Muckleroy Creek

Fair

St. Clair County, Alabama · 0.2 MI W Union Church · Structure no. 011987

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
450
1999 count
Owner
County
County Highway Agency

About this bridge

ST Clair CO HWY 1 over Muckleroy Creek is a concrete channel beam carrying ST Clair CO HWY 1 over Muckleroy Creek in St. Clair County, Alabama. It was built in 1978, so it is 47 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 703 by 2029. The structure is 68 ft (20.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST Clair CO HWY 1
CrossesMuckleroy Creek
Location0.2 MI W Union Church
RouteCounty Highway 13
StateAlabama
Coordinates33.89162, -86.30771
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.5 US tons
Inventory rating26.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (1999)
Projected traffic703 by 2029
Trucks10%
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$535,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST Clair CO HWY 1 over Muckleroy Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is ST Clair CO HWY 1 over Muckleroy 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 ST Clair CO HWY 1 over Muckleroy Creek carry?

About 450 vehicles per day (1999 count), of which roughly 10% are trucks.

How long is ST Clair CO HWY 1 over Muckleroy Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns ST Clair CO HWY 1 over Muckleroy Creek?

It is owned by the County Highway Agency.