US Bridges

East ST Ramp Q over I279 Nb&sb Hov&ramp-S

Fair

Allegheny County, Pennsylvania · 134 Ramp Q Bridge · Structure no. 000000000001047

Built
1987
38 years old, rebuilt 2018
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
2 main spans
Daily traffic
2,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

East ST Ramp Q over I279 Nb&sb Hov&ramp-S is a steel continuous stringer/multi-beam or girder carrying East ST Ramp Q over I279 Nb&sb Hov&ramp-S in Allegheny County, Pennsylvania. It was built in 1987 and reconstructed in 2018, so it is 38 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,447 by 2044. The structure is 239 ft (72.8 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEast ST Ramp Q
CrossesI279 Nb&sb Hov&ramp-S
Location134 Ramp Q Bridge
RouteCity Street 0
Coordinates40.45856, -79.99878
Functional classUrban Local

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length239 ft (72.8 m)
Longest span124 ft (37.8 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic2,447 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 East ST Ramp Q over I279 Nb&sb Hov&ramp-S built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2018.

What condition is East ST Ramp Q over I279 Nb&sb Hov&ramp-S 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 May 2024.

How much traffic does East ST Ramp Q over I279 Nb&sb Hov&ramp-S carry?

About 2,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is East ST Ramp Q over I279 Nb&sb Hov&ramp-S?

The structure is 239 ft (72.8 m) long with a longest span of 124 ft (37.8 m) and a deck 37 ft wide.

Who owns East ST Ramp Q over I279 Nb&sb Hov&ramp-S?

It is owned by the City or Municipal Highway Agency.