US Bridges

Ramp R over Braddock Ave Ramp B

Fair

Allegheny County, Pennsylvania · Triboro Expressway · Structure no. 000000000001547

Built
1974
51 years old, rebuilt 2010
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
738 ft
7 main spans
Daily traffic
3,462
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp R over Braddock Ave Ramp B is a steel continuous stringer/multi-beam or girder carrying Ramp R over Braddock Ave Ramp B in Allegheny County, Pennsylvania. It was built in 1974 and reconstructed in 2010, so it is 51 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 3,462 vehicles a day, roughly 5% of them trucks, projected to reach 4,726 by 2032. The structure is 738 ft (224.9 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesRamp R
CrossesBraddock Ave Ramp B
LocationTriboro Expressway
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.39483, -79.83683
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.
Superstructure8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length738 ft (224.9 m)
Longest span128 ft (39 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,462 (2024)
Projected traffic4,726 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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$8.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp R over Braddock Ave Ramp B built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2010.

What condition is Ramp R over Braddock Ave Ramp B 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 R over Braddock Ave Ramp B carry?

About 3,462 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ramp R over Braddock Ave Ramp B?

The structure is 738 ft (224.9 m) long with a longest span of 128 ft (39 m) and a deck 36 ft wide.

Who owns Ramp R over Braddock Ave Ramp B?

It is owned by the State Highway Agency.