US Bridges

Ramp N over Rps A&b (f&g) Mon

Fair

Allegheny County, Pennsylvania · Fort Pitt Bridge · Structure no. 000000000002814

Built
1959
66 years old, rebuilt 2000
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
180 ft
3 main spans
Daily traffic
2,112
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp N over Rps A&b (f&g) Mon is a steel stringer/multi-beam or girder carrying Ramp N over Rps A&b (f&g) Mon in Allegheny County, Pennsylvania. It was built in 1959 and reconstructed in 2000, so it is 66 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 2,112 vehicles a day, roughly 7% of them trucks, projected to reach 5,170 by 2032. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp N
CrossesRps A&b (f&g) Mon
LocationFort Pitt Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.44167, -80.01667
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,112 (2024)
Projected traffic5,170 by 2032
Trucks7%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp N over Rps A&b (f&g) Mon built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2000.

What condition is Ramp N over Rps A&b (f&g) Mon 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 N over Rps A&b (f&g) Mon carry?

About 2,112 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp N over Rps A&b (f&g) Mon?

The structure is 180 ft (54.9 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Ramp N over Rps A&b (f&g) Mon?

It is owned by the State Highway Agency.