US Bridges

CO 70 over Terrapin Creek

Good

Cleburne County, Alabama · 1 I. W of Borden Springs · Structure no. 018753

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
459
2002 count
Owner
County
County Highway Agency

About this bridge

CO 70 over Terrapin Creek is a concrete culvert carrying CO 70 over Terrapin Creek in Cleburne County, Alabama. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 459 vehicles a day, roughly 5% of them trucks, projected to reach 750 by 2035. The structure is 29 ft (8.7 m) long and 56 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCO 70
CrossesTerrapin Creek
Location1 I. W of Borden Springs
RouteCounty Highway 70
StateAlabama
Coordinates33.92852, -85.4776
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating86 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span12 ft (3.7 m)
Deck width56 ft (17.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic459 (2002)
Projected traffic750 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$543,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CO 70 over Terrapin Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is CO 70 over Terrapin 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 January 2024.

How much traffic does CO 70 over Terrapin Creek carry?

About 459 vehicles per day (2002 count), of which roughly 5% are trucks.

How long is CO 70 over Terrapin Creek?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m) and a deck 56 ft wide.

Who owns CO 70 over Terrapin Creek?

It is owned by the County Highway Agency.