US Bridges

Cook LN over Thornton Branch

Fair

Colbert County, Alabama · Cook LN near Belle Mont · Structure no. 015556

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
220
2006 count
Owner
County
County Highway Agency

About this bridge

Cook LN over Thornton Branch is a concrete culvert carrying Cook LN over Thornton Branch in Colbert County, Alabama. It was built in 1992, so it is 33 years old, younger 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 220 vehicles a day, roughly 10% of them trucks, projected to reach 500 by 2044. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCook LN
CrossesThornton Branch
LocationCook LN near Belle Mont
RouteCounty Highway 52
StateAlabama
Coordinates34.66687, -87.66898
Functional classRural Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating66.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2006)
Projected traffic500 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$528,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cook LN over Thornton Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Cook LN over Thornton Branch 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 March 2024.

How much traffic does Cook LN over Thornton Branch carry?

About 220 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Cook LN over Thornton Branch?

The structure is 27 ft (8.3 m) long with a longest span of 8 ft (2.5 m).

Who owns Cook LN over Thornton Branch?

It is owned by the County Highway Agency.