US Bridges

AL-18 over Browns Mill Creek

Good

Lamar County, Alabama · 2.2 MI W Fayette CO Line · Structure no. 013291

Built
1984
41 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
48 ft
4 main spans
Daily traffic
1,592
2020 count
Owner
State
State Highway Agency

About this bridge

AL-18 over Browns Mill Creek is a concrete culvert carrying AL-18 over Browns Mill Creek in Lamar County, Alabama. It was built in 1984, so it is 41 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 1,592 vehicles a day, roughly 6% of them trucks, projected to reach 1,781 by 2040. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 19.3 mi (31 km).

CarriesAL-18
CrossesBrowns Mill Creek
Location2.2 MI W Fayette CO Line
RouteState Highway 18
StateAlabama
Coordinates33.73813, -87.98708
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 alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length48 ft (14.6 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 traffic1,592 (2020)
Projected traffic1,781 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$694,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was AL-18 over Browns Mill Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is AL-18 over Browns Mill Creek 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 Browns Mill Creek carry?

About 1,592 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is AL-18 over Browns Mill Creek?

The structure is 48 ft (14.6 m) long with a longest span of 11 ft (3.5 m).

Who owns AL-18 over Browns Mill Creek?

It is owned by the State Highway Agency.