US Bridges

AL-18 over Stream

Good

Lamar County, Alabama · 3.5 MI W Fayette CO Line · Structure no. 012161

Built
1979
46 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,879
2020 count
Owner
State
State Highway Agency

About this bridge

AL-18 over Stream is a concrete culvert carrying AL-18 over Stream in Lamar County, Alabama. It was built in 1979, so it is 46 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 1,879 vehicles a day, roughly 9% of them trucks, projected to reach 2,367 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAL-18
CrossesStream
Location3.5 MI W Fayette CO Line
RouteState Highway 18
StateAlabama
Coordinates33.74798, -88.01513
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
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 rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 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 traffic1,879 (2020)
Projected traffic2,367 by 2040
Trucks9%
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$718,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was AL-18 over Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is AL-18 over Stream 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 June 2024.

How much traffic does AL-18 over Stream carry?

About 1,879 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is AL-18 over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns AL-18 over Stream?

It is owned by the State Highway Agency.