US Bridges

Ramp D over Ramp C

Fair

Allegheny County, Pennsylvania · West End Bridge · Structure no. 000000000002859

Built
1991
34 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
486 ft
5 main spans
Daily traffic
1,800
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp D over Ramp C is a steel continuous stringer/multi-beam or girder carrying Ramp D over Ramp C in Allegheny County, Pennsylvania. It was built in 1991, so it is 34 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 3,844 by 2032. The structure is 486 ft (148.1 m) long and 24 ft wide.

CarriesRamp D
CrossesRamp C
LocationWest End Bridge
RouteState Highway 0
Coordinates40.44883, -80.02369
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating52 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span175 ft (53.3 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic1,800 (2024)
Projected traffic3,844 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 D over Ramp C built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ramp D over Ramp C 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 2023.

How much traffic does Ramp D over Ramp C carry?

About 1,800 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp D over Ramp C?

The structure is 486 ft (148.1 m) long with a longest span of 175 ft (53.3 m) and a deck 24 ft wide.

Who owns Ramp D over Ramp C?

It is owned by the State Highway Agency.