US Bridges

Al 21 over Indian Crk.

Fair

Lowndes County, Alabama · 0.4 Mi.N.Of Wilcox Co.Lin · Structure no. 002983

Built
1929
96 years old, rebuilt 1947
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
900
2013 count
Owner
State
State Highway Agency

About this bridge

Al 21 over Indian Crk. is a concrete continuous culvert carrying Al 21 over Indian Crk. in Lowndes County, Alabama. It was built in 1929 and reconstructed in 1947, so it is 96 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 900 vehicles a day, roughly 13% of them trucks, projected to reach 1,122 by 2033. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 26.1 mi (42 km).

CarriesAl 21
CrossesIndian Crk.
Location0.4 Mi.N.Of Wilcox Co.Lin
RouteState Highway 21
StateAlabama
Coordinates32.00462, -86.85087
Functional classRural Major Collector

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.8 US tons
Inventory rating44.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2013)
Projected traffic1,122 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$507,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 21 over Indian Crk. built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1947.

What condition is Al 21 over Indian Crk. 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 May 2024.

How much traffic does Al 21 over Indian Crk. carry?

About 900 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is Al 21 over Indian Crk.?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Al 21 over Indian Crk.?

It is owned by the State Highway Agency.