US Bridges

Co. Hwy. 42 over Mud Creek

Good

Shelby County, Alabama · 1.2 MI W. Co. 47 · Structure no. 015596

Built
1973
52 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
38 ft
2 main spans
Daily traffic
692
2023 count
Owner
County
County Highway Agency

About this bridge

Co. Hwy. 42 over Mud Creek is a steel culvert carrying Co. Hwy. 42 over Mud Creek in Shelby County, Alabama. It was built in 1973, so it is 52 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 692 vehicles a day, roughly 25% of them trucks, projected to reach 1,640 by 2042. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCo. Hwy. 42
CrossesMud Creek
Location1.2 MI W. Co. 47
RouteCounty Highway 42
StateAlabama
Coordinates33.11148, -86.60067
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.2 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans2
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic692 (2023)
Projected traffic1,640 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$499,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Hwy. 42 over Mud Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Co. Hwy. 42 over Mud 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 March 2023.

How much traffic does Co. Hwy. 42 over Mud Creek carry?

About 692 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is Co. Hwy. 42 over Mud Creek?

The structure is 38 ft (11.5 m) long with a longest span of 16 ft (4.9 m).

Who owns Co. Hwy. 42 over Mud Creek?

It is owned by the County Highway Agency.