US Bridges

SR21 over Ped./Bicycle- Ladiga

Fair

Calhoun County, Alabama · City of Piedmont · Structure no. 006724

Built
1959
66 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
332 ft
10 main spans
Daily traffic
5,650
2023 count
Owner
State
State Highway Agency

About this bridge

SR21 over Ped./Bicycle- Ladiga is a concrete tee beam carrying SR21 over Ped./Bicycle- Ladiga in Calhoun County, Alabama. It was built in 1959, so it is 66 years old, older 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 5 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 5,650 vehicles a day, roughly 3% of them trucks, projected to reach 7,910 by 2043. The structure is 332 ft (101.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR21
CrossesPed./Bicycle- Ladiga
LocationCity of Piedmont
RouteState Highway 21
CountyCalhoun County
StateAlabama
Coordinates33.92101, -85.62617
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating27.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length332 ft (101.2 m)
Longest span38 ft (11.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,650 (2023)
Projected traffic7,910 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR21 over Ped./Bicycle- Ladiga built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR21 over Ped./Bicycle- Ladiga 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 October 2024.

How much traffic does SR21 over Ped./Bicycle- Ladiga carry?

About 5,650 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR21 over Ped./Bicycle- Ladiga?

The structure is 332 ft (101.2 m) long with a longest span of 38 ft (11.6 m) and a deck 33 ft wide.

Who owns SR21 over Ped./Bicycle- Ladiga?

It is owned by the State Highway Agency.