US Bridges

SR21 over Kelly Creek Relief

Good

Talladega County, Alabama · City of Talladega · Structure no. 016959

Built
2007
18 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
5,313
2023 count
Owner
State
State Highway Agency

About this bridge

SR21 over Kelly Creek Relief is a concrete culvert carrying SR21 over Kelly Creek Relief in Talladega County, Alabama. It was built in 2007, so it is 18 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 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 5,313 vehicles a day, roughly 7% of them trucks, projected to reach 7,438 by 2043. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR21
CrossesKelly Creek Relief
LocationCity of Talladega
RouteState Highway 21
StateAlabama
Coordinates33.47311, -86.03014
Functional classRural Principal Arterial - Other

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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.1 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,313 (2023)
Projected traffic7,438 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$659,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR21 over Kelly Creek Relief built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR21 over Kelly Creek Relief 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 February 2025.

How much traffic does SR21 over Kelly Creek Relief carry?

About 5,313 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR21 over Kelly Creek Relief?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns SR21 over Kelly Creek Relief?

It is owned by the State Highway Agency.