US Bridges

SR 91 over Mud Creek

Good

Cullman County, Alabama · 0.5 MI W JCT US 31 · Structure no. 014624

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
60 ft
4 main spans
Daily traffic
3,886
2022 count
Owner
State
State Highway Agency

About this bridge

SR 91 over Mud Creek is a concrete continuous culvert carrying SR 91 over Mud Creek in Cullman County, Alabama. It was built in 1988, so it is 37 years old, younger 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 3,886 vehicles a day, roughly 8% of them trucks, projected to reach 5,441 by 2042. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesSR 91
CrossesMud Creek
Location0.5 MI W JCT US 31
RouteState Highway 91
StateAlabama
Coordinates34.055, -86.77667
Functional classRural Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,886 (2022)
Projected traffic5,441 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

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$969,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 91 over Mud Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 91 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 August 2023.

How much traffic does SR 91 over Mud Creek carry?

About 3,886 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR 91 over Mud Creek?

The structure is 60 ft (18.3 m) long with a longest span of 14 ft (4.3 m).

Who owns SR 91 over Mud Creek?

It is owned by the State Highway Agency.