US Bridges

Thach RD over Little Piney CR

Good

Limestone County, Alabama · SEC25 T1S R4W · Structure no. 005614

Built
1956
69 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
1,340
2010 count
Owner
County
County Highway Agency

About this bridge

Thach RD over Little Piney CR is a concrete culvert carrying Thach RD over Little Piney CR in Limestone County, Alabama. It was built in 1956, so it is 69 years old, older 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 1,340 vehicles a day, roughly 1% of them trucks, projected to reach 1,990 by 2030. The structure is 51 ft (15.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesThach RD
CrossesLittle Piney CR
LocationSEC25 T1S R4W
RouteCounty Highway 100
StateAlabama
Coordinates34.91968, -86.89862
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.2 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,340 (2010)
Projected traffic1,990 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$426,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thach RD over Little Piney CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Thach RD over Little Piney CR 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 May 2024.

How much traffic does Thach RD over Little Piney CR carry?

About 1,340 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Thach RD over Little Piney CR?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Thach RD over Little Piney CR?

It is owned by the County Highway Agency.