US Bridges

Al 21 over Stream

Fair

Lowndes County, Alabama · 6.0 Mi.N. of County RD.45 · Structure no. 013088

Built
1930
95 years old, rebuilt 1984
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
1,810
2013 count
Owner
State
State Highway Agency

About this bridge

Al 21 over Stream is a concrete continuous culvert carrying Al 21 over Stream in Lowndes County, Alabama. It was built in 1930 and reconstructed in 1984, so it is 95 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 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 1,810 vehicles a day, roughly 4% of them trucks, projected to reach 2,257 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAl 21
CrossesStream
Location6.0 Mi.N. of County RD.45
RouteState Highway 21
StateAlabama
Coordinates32.13068, -86.64798
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.2 US tons
Inventory rating38.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 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 traffic1,810 (2013)
Projected traffic2,257 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$630,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 21 over Stream built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1984.

What condition is Al 21 over Stream 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 June 2024.

How much traffic does Al 21 over Stream carry?

About 1,810 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Al 21 over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns Al 21 over Stream?

It is owned by the State Highway Agency.