US Bridges

SR 21 over Branch

Fair

Monroe County, Alabama · Monroeville Bypass · Structure no. 016225

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
4,490
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 1994, so it is 31 years old, younger 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 4,490 vehicles a day, roughly 13% of them trucks, projected to reach 5,599 by 2033. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 21
CrossesBranch
LocationMonroeville Bypass
RouteState Highway 21
StateAlabama
Coordinates31.5266, -87.31347
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.3 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 traffic4,490 (2013)
Projected traffic5,599 by 2033
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$2.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Branch built?

It was built in 1994, making it 31 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 September 2023.

How much traffic does SR 21 over Branch carry?

About 4,490 vehicles per day (2013 count), of which roughly 13% are trucks.

How long is SR 21 over Branch?

The structure is 27 ft (8.3 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.