US Bridges

Ramp D over Point ST Park Mon River

Fair

Allegheny County, Pennsylvania · Fort Pitt Bridge · Structure no. 000000000001020

Built
1958
67 years old, rebuilt 2002
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
463 ft
2 main spans
Daily traffic
20,246
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp D over Point ST Park Mon River is a steel stringer/multi-beam or girder carrying Ramp D over Point ST Park Mon River in Allegheny County, Pennsylvania. It was built in 1958 and reconstructed in 2002, so it is 67 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 20,246 vehicles a day, roughly 8% of them trucks, projected to reach 19,685 by 2044. The structure is 463 ft (141.1 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp D
CrossesPoint ST Park Mon River
LocationFort Pitt Bridge
RouteInterstate 279
Coordinates40.43968, -80.00997
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length463 ft (141.1 m)
Longest span151 ft (46 m)
Deck width41 ft (12.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic20,246 (2024)
Projected traffic19,685 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ramp D over Point ST Park Mon River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2002.

What condition is Ramp D over Point ST Park Mon River 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 March 2024.

How much traffic does Ramp D over Point ST Park Mon River carry?

About 20,246 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ramp D over Point ST Park Mon River?

The structure is 463 ft (141.1 m) long with a longest span of 151 ft (46 m) and a deck 41 ft wide.

Who owns Ramp D over Point ST Park Mon River?

It is owned by the State Highway Agency.