US Bridges

Ramp C over Ramp D Underpass Eb.

Fair

Allegheny County, Pennsylvania · At Int W/ Grant Street · Structure no. 000000000002908

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
34 ft
1 main span
Daily traffic
4,705
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp C over Ramp D Underpass Eb. is a concrete frame carrying Ramp C over Ramp D Underpass Eb. in Allegheny County, Pennsylvania. It was built in 1958, so it is 67 years old, older 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 4,705 vehicles a day, roughly 7% of them trucks, projected to reach 8,213 by 2032. The structure is 34 ft (10.4 m) long and 163 ft wide.

Location

Open in Google Maps
CarriesRamp C
CrossesRamp D Underpass Eb.
LocationAt Int W/ Grant Street
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.44167, -80.00833
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width163 ft (49.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic4,705 (2024)
Projected traffic8,213 by 2032
Trucks7%
Lanes on structure5
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$177,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp C over Ramp D Underpass Eb. built?

It was built in 1958, making it 67 years old in 2025.

What condition is Ramp C over Ramp D Underpass Eb. 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 September 2023.

How much traffic does Ramp C over Ramp D Underpass Eb. carry?

About 4,705 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp C over Ramp D Underpass Eb.?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 163 ft wide.

Who owns Ramp C over Ramp D Underpass Eb.?

It is owned by the State Highway Agency.