US Bridges

I - 459 North over Rocky Ridge Road

Fair

Jefferson County, Alabama · I 459 * Rocky Ridge Road · Structure no. 012300

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
305 ft
3 main spans
Daily traffic
51,820
2024 count
Owner
State
State Highway Agency

About this bridge

I - 459 North over Rocky Ridge Road is a steel continuous stringer/multi-beam or girder carrying I - 459 North over Rocky Ridge Road in Jefferson County, Alabama. It was built in 1980, so it is 45 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 51,820 vehicles a day, roughly 10% of them trucks, projected to reach 65,522 by 2044. The structure is 305 ft (92.9 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI - 459 North
CrossesRocky Ridge Road
LocationI 459 * Rocky Ridge Road
RouteInterstate 459
CountyJefferson County
StateAlabama
Coordinates33.40627, -86.76476
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
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 rating76.3 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 length305 ft (92.9 m)
Longest span120 ft (36.6 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,820 (2024)
Projected traffic65,522 by 2044
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$4.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I - 459 North over Rocky Ridge Road built?

It was built in 1980, making it 45 years old in 2025.

What condition is I - 459 North over Rocky Ridge 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 August 2024.

How much traffic does I - 459 North over Rocky Ridge Road carry?

About 51,820 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I - 459 North over Rocky Ridge Road?

The structure is 305 ft (92.9 m) long with a longest span of 120 ft (36.6 m) and a deck 60 ft wide.

Who owns I - 459 North over Rocky Ridge Road?

It is owned by the State Highway Agency.