US Bridges

SR 21 over Nalls Beach Branch

Fair

Escambia County, Alabama · 2 MI S CO RD 30 · Structure no. 000764

Built
1930
95 years old, rebuilt 1988
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
4,433
2021 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Nalls Beach Branch is a concrete culvert carrying SR 21 over Nalls Beach Branch in Escambia County, Alabama. It was built in 1930 and reconstructed in 1988, 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 4,433 vehicles a day, roughly 9% of them trucks, projected to reach 6,650 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR 21
CrossesNalls Beach Branch
Location2 MI S CO RD 30
RouteState Highway 21
CountyEscambia County
StateAlabama
Coordinates31.1931, -87.4638
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 inspectionMay 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 alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating77.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 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 traffic4,433 (2021)
Projected traffic6,650 by 2041
Trucks9%
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 proposedNone recorded
Estimated improvement cost$468,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Nalls Beach Branch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is SR 21 over Nalls Beach 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 May 2023.

How much traffic does SR 21 over Nalls Beach Branch carry?

About 4,433 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 21 over Nalls Beach Branch?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns SR 21 over Nalls Beach Branch?

It is owned by the State Highway Agency.