US Bridges

I-59 over Lock 9 Road (-)

Fair

Tuscaloosa County, Alabama · 1.8 MI S of Fosters · Structure no. 011124

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
3 main spans
Daily traffic
12,030
2013 count
Owner
State
State Highway Agency

About this bridge

I-59 over Lock 9 Road (-) is a steel continuous stringer/multi-beam or girder carrying I-59 over Lock 9 Road (-) in Tuscaloosa County, Alabama. It was built in 1974, so it is 51 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 12,030 vehicles a day, roughly 39% of them trucks, projected to reach 14,883 by 2033. The structure is 163 ft (49.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-59
CrossesLock 9 Road (-)
Location1.8 MI S of Fosters
RouteInterstate 59
CountyTuscaloosa County
StateAlabama
Coordinates33.06862, -87.6946
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,030 (2013)
Projected traffic14,883 by 2033
Trucks39%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-59 over Lock 9 Road (-) built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-59 over Lock 9 Road (-) 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 I-59 over Lock 9 Road (-) carry?

About 12,030 vehicles per day (2013 count), of which roughly 39% are trucks.

How long is I-59 over Lock 9 Road (-)?

The structure is 163 ft (49.7 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns I-59 over Lock 9 Road (-)?

It is owned by the State Highway Agency.