US Bridges

SR 21 SB over Sizemore Creek

Fair

Escambia County, Alabama · 1.2 MI N CO RD 12 · Structure no. 010953

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
238 ft
7 main spans
Daily traffic
5,681
2021 count
Owner
State
State Highway Agency

About this bridge

SR 21 SB over Sizemore Creek is a concrete tee beam carrying SR 21 SB over Sizemore Creek in Escambia County, Alabama. It was built in 1973, so it is 52 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 5,681 vehicles a day, roughly 3% of them trucks, projected to reach 8,522 by 2041. The structure is 238 ft (72.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 21 SB
CrossesSizemore Creek
Location1.2 MI N CO RD 12
RouteState Highway 21
CountyEscambia County
StateAlabama
Coordinates31.07997, -87.48174
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,681 (2021)
Projected traffic8,522 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-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$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 SB over Sizemore Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 21 SB over Sizemore Creek 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 March 2023.

How much traffic does SR 21 SB over Sizemore Creek carry?

About 5,681 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is SR 21 SB over Sizemore Creek?

The structure is 238 ft (72.5 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns SR 21 SB over Sizemore Creek?

It is owned by the State Highway Agency.