US Bridges

SR21 over Branch

Fair

Calhoun County, Alabama · City of Anniston · Structure no. 006525

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
32,026
2022 count
Owner
State
State Highway Agency

About this bridge

SR21 over Branch is a concrete culvert carrying SR21 over Branch 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 32,026 vehicles a day, roughly 5% of them trucks, projected to reach 44,836 by 2042. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR21
CrossesBranch
LocationCity of Anniston
RouteState Highway 21
CountyCalhoun County
StateAlabama
Coordinates33.6424, -85.8259
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating31.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,026 (2022)
Projected traffic44,836 by 2042
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR21 over Branch built?

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

What condition is SR21 over Branch 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 June 2023.

How much traffic does SR21 over Branch carry?

About 32,026 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SR21 over Branch?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m).

Who owns SR21 over Branch?

It is owned by the State Highway Agency.