US Bridges

Ramp J RD over SR 4003-EVERGREEN Rd.

Fair

Allegheny County, Pennsylvania · Mcknight Interchange Ramp · Structure no. 000000000002918

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
440 ft
3 main spans
Daily traffic
15,470
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp J RD over SR 4003-EVERGREEN Rd. is a steel continuous stringer/multi-beam or girder carrying Ramp J RD over SR 4003-EVERGREEN Rd. in Allegheny County, Pennsylvania. It was built in 1986, so it is 39 years old, younger than the Pennsylvania average of 54.8 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 15,470 vehicles a day, roughly 7% of them trucks, projected to reach 12,366 by 2032. The structure is 440 ft (134.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp J RD
CrossesSR 4003-EVERGREEN Rd.
LocationMcknight Interchange Ramp
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.50083, -80.01205
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length440 ft (134.1 m)
Longest span173 ft (52.7 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,470 (2024)
Projected traffic12,366 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp J RD over SR 4003-EVERGREEN Rd. built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ramp J RD over SR 4003-EVERGREEN Rd. 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 April 2024.

How much traffic does Ramp J RD over SR 4003-EVERGREEN Rd. carry?

About 15,470 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp J RD over SR 4003-EVERGREEN Rd.?

The structure is 440 ft (134.1 m) long with a longest span of 173 ft (52.7 m) and a deck 37 ft wide.

Who owns Ramp J RD over SR 4003-EVERGREEN Rd.?

It is owned by the State Highway Agency.