US Bridges

SR 21 over Branch

Fair

Monroe County, Alabama · 1 Mi. S. of Beatrice · Structure no. 000766

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,940
2013 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Branch is a concrete culvert carrying SR 21 over Branch in Monroe County, Alabama. It was built in 1930, so it is 95 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 6 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 1,940 vehicles a day, roughly 23% of them trucks, projected to reach 2,419 by 2033. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 21
CrossesBranch
Location1 Mi. S. of Beatrice
RouteState Highway 21
StateAlabama
Coordinates31.71569, -87.21385
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment6: Equal to present minimum criteria
Operating rating68.7 US tons
Inventory rating41.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.3 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 traffic1,940 (2013)
Projected traffic2,419 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$216,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR 21 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 October 2023.

How much traffic does SR 21 over Branch carry?

About 1,940 vehicles per day (2013 count), of which roughly 23% are trucks.

How long is SR 21 over Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 21 over Branch?

It is owned by the State Highway Agency.