US Bridges

AL-17 over Mud Creek

Fair

Lamar County, Alabama · 5.0 MI N of Northport · Structure no. 013617

Built
1985
40 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
1,191
2020 count
Owner
State
State Highway Agency

About this bridge

AL-17 over Mud Creek is a concrete culvert carrying AL-17 over Mud Creek in Lamar County, Alabama. It was built in 1985, so it is 40 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 1,191 vehicles a day, roughly 11% of them trucks, projected to reach 1,715 by 2040. The structure is 36 ft (11 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesAL-17
CrossesMud Creek
Location5.0 MI N of Northport
RouteState Highway 17
StateAlabama
Coordinates33.62878, -88.07316
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.2 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,191 (2020)
Projected traffic1,715 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$573,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was AL-17 over Mud Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is AL-17 over Mud 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 April 2024.

How much traffic does AL-17 over Mud Creek carry?

About 1,191 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is AL-17 over Mud Creek?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.5 m).

Who owns AL-17 over Mud Creek?

It is owned by the State Highway Agency.