US Bridges

Ramp C over Ramp D * I 59

Fair

Jefferson County, Alabama · I 59 * I 459 Intr · Structure no. 011346

Built
1975
50 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
496 ft
6 main spans
Daily traffic
5,879
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp C over Ramp D * I 59 is a steel continuous stringer/multi-beam or girder carrying Ramp C over Ramp D * I 59 in Jefferson County, Alabama. It was built in 1975, so it is 50 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 5,879 vehicles a day, roughly 14% of them trucks, projected to reach 7,273 by 2024. The structure is 496 ft (151.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp C
CrossesRamp D * I 59
LocationI 59 * I 459 Intr
RouteInterstate 59
CountyJefferson County
StateAlabama
Coordinates33.59778, -86.65333
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length496 ft (151.2 m)
Longest span114 ft (34.7 m)
Deck width30 ft (9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,879 (2024)
Projected traffic7,273 by 2024
Trucks14%
Lanes on structure1
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$3.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp C over Ramp D * I 59 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ramp C over Ramp D * I 59 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 2024.

How much traffic does Ramp C over Ramp D * I 59 carry?

About 5,879 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Ramp C over Ramp D * I 59?

The structure is 496 ft (151.2 m) long with a longest span of 114 ft (34.7 m) and a deck 30 ft wide.

Who owns Ramp C over Ramp D * I 59?

It is owned by the State Highway Agency.