US Bridges

US 31 Sbl over Al RR

Fair

Escambia County, Alabama · 2.2 MI N US 29 · Structure no. 003399

Built
1949
76 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
142 ft
5 main spans
Daily traffic
3,561
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 Sbl over Al RR is a concrete tee beam carrying US 31 Sbl over Al RR in Escambia County, Alabama. It was built in 1949, so it is 76 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 3,561 vehicles a day, roughly 6% of them trucks, projected to reach 5,351 by 2041. The structure is 142 ft (43.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 31 Sbl
CrossesAl RR
Location2.2 MI N US 29
RouteU.S. Route 31
CountyEscambia County
StateAlabama
Coordinates31.01956, -87.23649
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.3 US tons
Inventory rating27.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length142 ft (43.3 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,561 (2021)
Projected traffic5,351 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 31 Sbl over Al RR built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 31 Sbl over Al RR 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 US 31 Sbl over Al RR carry?

About 3,561 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 31 Sbl over Al RR?

The structure is 142 ft (43.3 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns US 31 Sbl over Al RR?

It is owned by the State Highway Agency.