US Bridges

31st Street over I-359 US 11 SR 69 SR 11

Fair

Tuscaloosa County, Alabama · 1.3 MI N JCT Skyland Blvd · Structure no. 012694

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
334 ft
4 main spans
Daily traffic
4,160
2010 count
Owner
State
State Highway Agency

About this bridge

31st Street over I-359 US 11 SR 69 SR 11 is a steel continuous stringer/multi-beam or girder carrying 31st Street over I-359 US 11 SR 69 SR 11 in Tuscaloosa County, Alabama. It was built in 1982, so it is 43 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 4,160 vehicles a day, roughly 1% of them trucks, projected to reach 5,825 by 2030. The structure is 334 ft (101.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries31st Street
CrossesI-359 US 11 SR 69 SR 11
Location1.3 MI N JCT Skyland Blvd
RouteCity Street 0
CountyTuscaloosa County
StateAlabama
Coordinates33.18317, -87.55783
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length334 ft (101.8 m)
Longest span92 ft (28 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,160 (2010)
Projected traffic5,825 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 31st Street over I-359 US 11 SR 69 SR 11 built?

It was built in 1982, making it 43 years old in 2025.

What condition is 31st Street over I-359 US 11 SR 69 SR 11 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 December 2023.

How much traffic does 31st Street over I-359 US 11 SR 69 SR 11 carry?

About 4,160 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is 31st Street over I-359 US 11 SR 69 SR 11?

The structure is 334 ft (101.8 m) long with a longest span of 92 ft (28 m) and a deck 38 ft wide.

Who owns 31st Street over I-359 US 11 SR 69 SR 11?

It is owned by the State Highway Agency.