US Bridges

AL-13 over Mallard Creek

Fair

Walker County, Alabama · 03 MI N AL-118 · Structure no. 005860

Built
1957
68 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,393
2020 count
Owner
State
State Highway Agency

About this bridge

AL-13 over Mallard Creek is a concrete culvert carrying AL-13 over Mallard Creek in Walker County, Alabama. It was built in 1957, so it is 68 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 5 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 2,393 vehicles a day, roughly 17% of them trucks, projected to reach 2,965 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAL-13
CrossesMallard Creek
Location03 MI N AL-118
RouteState Highway 13
StateAlabama
Coordinates33.93092, -87.62216
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,393 (2020)
Projected traffic2,965 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was AL-13 over Mallard Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is AL-13 over Mallard 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 January 2025.

How much traffic does AL-13 over Mallard Creek carry?

About 2,393 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is AL-13 over Mallard Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns AL-13 over Mallard Creek?

It is owned by the State Highway Agency.