US Bridges

Ramp a over SR 0837 SB

Fair

Allegheny County, Pennsylvania · Mckeesport-Duquesne Br · Structure no. 000000000002868

Built
1970
55 years old, rebuilt 2018
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
570 ft
9 main spans
Daily traffic
4,129
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp a over SR 0837 SB is a prestressed concrete stringer/multi-beam or girder carrying Ramp a over SR 0837 SB in Allegheny County, Pennsylvania. It was built in 1970 and reconstructed in 2018, so it is 55 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 5 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 4,129 vehicles a day, roughly 7% of them trucks, projected to reach 7,020 by 2032. The structure is 570 ft (173.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp a
CrossesSR 0837 SB
LocationMckeesport-Duquesne Br
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.35953, -79.84696
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length570 ft (173.7 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,129 (2024)
Projected traffic7,020 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$265,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp a over SR 0837 SB built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2018.

What condition is Ramp a over SR 0837 SB 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 July 2024.

How much traffic does Ramp a over SR 0837 SB carry?

About 4,129 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp a over SR 0837 SB?

The structure is 570 ft (173.7 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Ramp a over SR 0837 SB?

It is owned by the State Highway Agency.