US Bridges

SR 376 WB Ramp B over LR1039 Rp A(f) Mon River

Fair

Allegheny County, Pennsylvania · Fort Pitt Bridge · Structure no. 000000000001120

Built
1958
67 years old, rebuilt 2002
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
506 ft
5 main spans
Daily traffic
49,101
2024 count
Owner
State
State Highway Agency

About this bridge

SR 376 WB Ramp B over LR1039 Rp A(f) Mon River is a steel stringer/multi-beam or girder carrying SR 376 WB Ramp B over LR1039 Rp A(f) 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 49,101 vehicles a day, roughly 5% of them trucks, projected to reach 52,022 by 2032. The structure is 506 ft (154.2 m) long and 35 ft wide.

CarriesSR 376 WB Ramp B
CrossesLR1039 Rp A(f) Mon River
LocationFort Pitt Bridge
RouteInterstate 376
Coordinates40.43959, -80.00935
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.
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 inspectionAugust 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 rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length506 ft (154.2 m)
Longest span183 ft (55.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic49,101 (2024)
Projected traffic52,022 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR 376 WB Ramp B over LR1039 Rp A(f) Mon River built?

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

What condition is SR 376 WB Ramp B over LR1039 Rp A(f) 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 August 2024.

How much traffic does SR 376 WB Ramp B over LR1039 Rp A(f) Mon River carry?

About 49,101 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 376 WB Ramp B over LR1039 Rp A(f) Mon River?

The structure is 506 ft (154.2 m) long with a longest span of 183 ft (55.8 m) and a deck 35 ft wide.

Who owns SR 376 WB Ramp B over LR1039 Rp A(f) Mon River?

It is owned by the State Highway Agency.