US Bridges

Ramp Bu over Mon Wharf

Good

Allegheny County, Pennsylvania · Fort Pitt Bridge · Structure no. 000000000002906

Built
1953
72 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
1 main span
Daily traffic
2,323
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp Bu over Mon Wharf is a steel stringer/multi-beam or girder carrying Ramp Bu over Mon Wharf in Allegheny County, Pennsylvania. It was built in 1953, so it is 72 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,323 vehicles a day, roughly 7% of them trucks, projected to reach 16,955 by 2032. The structure is 325 ft (99.1 m) long and 24 ft wide.

CarriesRamp Bu
CrossesMon Wharf
LocationFort Pitt Bridge
RouteState Highway 0
Coordinates40.43874, -80.00684
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,323 (2024)
Projected traffic16,955 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$948,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Bu over Mon Wharf built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ramp Bu over Mon Wharf in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Ramp Bu over Mon Wharf carry?

About 2,323 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp Bu over Mon Wharf?

The structure is 325 ft (99.1 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Ramp Bu over Mon Wharf?

It is owned by the State Highway Agency.