US Bridges

Ramp R over Ramp S E F and Brady ST

Poor

Allegheny County, Pennsylvania · Birmingham Bridge · Structure no. 000000000002745

Built
1956
69 years old, rebuilt 1985
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
6,310
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp R over Ramp S E F and Brady ST is a steel stringer/multi-beam or girder carrying Ramp R over Ramp S E F and Brady ST in Allegheny County, Pennsylvania. It was built in 1956 and reconstructed in 1985, so it is 69 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,310 vehicles a day, roughly 7% of them trucks, projected to reach 20,886 by 2032. The structure is 67 ft (20.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRamp R
CrossesRamp S E F and Brady ST
LocationBirmingham Bridge
RouteState Highway 0
Coordinates40.43672, -79.97258
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span67 ft (20.4 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic6,310 (2024)
Projected traffic20,886 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$269,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp R over Ramp S E F and Brady ST built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1985.

What condition is Ramp R over Ramp S E F and Brady ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Ramp R over Ramp S E F and Brady ST carry?

About 6,310 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp R over Ramp S E F and Brady ST?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.4 m) and a deck 29 ft wide.

Who owns Ramp R over Ramp S E F and Brady ST?

It is owned by the State Highway Agency.