US Bridges

SR 21 over Kelly Creek Relief

Fair

Talladega County, Alabama · 0.2 MI S JCT CO 91 · Structure no. 002630

Built
1923
102 years old, rebuilt 1942
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
36 ft
2 main spans
Daily traffic
5,607
2022 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Kelly Creek Relief is a concrete slab carrying SR 21 over Kelly Creek Relief in Talladega County, Alabama. It was built in 1923 and reconstructed in 1942, so it is 102 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 5,607 vehicles a day, roughly 13% of them trucks, projected to reach 7,849 by 2042. The structure is 36 ft (11.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 21
CrossesKelly Creek Relief
Location0.2 MI S JCT CO 91
RouteState Highway 21
CountyTalladega County
StateAlabama
Coordinates33.47289, -86.02994
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating29.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length36 ft (11.1 m)
Longest span17 ft (5.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,607 (2022)
Projected traffic7,849 by 2042
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$431,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 21 over Kelly Creek Relief built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1942.

What condition is SR 21 over Kelly Creek Relief 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 July 2023.

How much traffic does SR 21 over Kelly Creek Relief carry?

About 5,607 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is SR 21 over Kelly Creek Relief?

The structure is 36 ft (11.1 m) long with a longest span of 17 ft (5.2 m) and a deck 32 ft wide.

Who owns SR 21 over Kelly Creek Relief?

It is owned by the State Highway Agency.