US Bridges

Thach RD over Fall Branch

Good

Limestone County, Alabama · _0.7 Mi. S.E. AL.HWY.251 · Structure no. 021263

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
131
2018 count
Owner
County
County Highway Agency

About this bridge

Thach RD over Fall Branch is a concrete channel beam carrying Thach RD over Fall Branch in Limestone County, Alabama. It was built in 2022, so it is 3 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 131 vehicles a day, roughly 7% of them trucks, projected to reach 195 by 2038. The structure is 34 ft (10.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesThach RD
CrossesFall Branch
Location_0.7 Mi. S.E. AL.HWY.251
RouteCounty Highway 100
StateAlabama
Coordinates34.90965, -86.79996
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating41.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span34 ft (10.5 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2018)
Projected traffic195 by 2038
Trucks7%
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$350,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thach RD over Fall Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Thach RD over Fall Branch 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 Fall Branch carry?

About 131 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Thach RD over Fall Branch?

The structure is 34 ft (10.5 m) long with a longest span of 34 ft (10.5 m) and a deck 27 ft wide.

Who owns Thach RD over Fall Branch?

It is owned by the County Highway Agency.