US Bridges

I 65 Nbl over I 59 Sbl

Fair

Jefferson County, Alabama · I 59 * I 65 Interchange · Structure no. 009912

Built
1969
56 years old, rebuilt 2003
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
3 main spans
Daily traffic
66,525
2023 count
Owner
State
State Highway Agency

About this bridge

I 65 Nbl over I 59 Sbl is a steel stringer/multi-beam or girder carrying I 65 Nbl over I 59 Sbl in Jefferson County, Alabama. It was built in 1969 and reconstructed in 2003, so it is 56 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 66,525 vehicles a day, roughly 8% of them trucks, projected to reach 84,282 by 2043. The structure is 188 ft (57.3 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 65 Nbl
CrossesI 59 Sbl
LocationI 59 * I 65 Interchange
RouteInterstate 65
StateAlabama
Coordinates33.52086, -86.82666
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating65.5 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span66 ft (20.1 m)
Deck width56 ft (17.2 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,525 (2023)
Projected traffic84,282 by 2043
Trucks8%
Lanes on structure3
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 65 Nbl over I 59 Sbl built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2003.

What condition is I 65 Nbl over I 59 Sbl 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 July 2023.

How much traffic does I 65 Nbl over I 59 Sbl carry?

About 66,525 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I 65 Nbl over I 59 Sbl?

The structure is 188 ft (57.3 m) long with a longest span of 66 ft (20.1 m) and a deck 56 ft wide.

Who owns I 65 Nbl over I 59 Sbl?

It is owned by the State Highway Agency.