US Bridges

CR74 Experiment ST over Gale Creek

Good

Chilton County, Alabama · CR74 1 MI SW of Thorsby · Structure no. 009287

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
400
1991 count
Owner
County
County Highway Agency

About this bridge

CR74 Experiment ST over Gale Creek is a concrete culvert carrying CR74 Experiment ST over Gale Creek in Chilton County, Alabama. It was built in 1991, so it is 34 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 590 by 2030. The structure is 25 ft (7.6 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR74 Experiment ST
CrossesGale Creek
LocationCR74 1 MI SW of Thorsby
RouteCounty Highway 0
CountyChilton County
StateAlabama
Coordinates32.90033, -86.72003
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating37.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (1991)
Projected traffic590 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$394,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR74 Experiment ST over Gale Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR74 Experiment ST over Gale 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 October 2024.

How much traffic does CR74 Experiment ST over Gale Creek carry?

About 400 vehicles per day (1991 count), of which roughly 1% are trucks.

How long is CR74 Experiment ST over Gale Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns CR74 Experiment ST over Gale Creek?

It is owned by the County Highway Agency.