US Bridges

Rosslyn Road over SR 0376 EB WB

Fair

Allegheny County, Pennsylvania · Rosslyn Farms Exit · Structure no. 000000000002799

Built
1951
74 years old, rebuilt 2014
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
184 ft
3 main spans
Daily traffic
4,536
2024 count
Owner
State
State Highway Agency

About this bridge

Rosslyn Road over SR 0376 EB WB is a steel girder and floorbeam system carrying Rosslyn Road over SR 0376 EB WB in Allegheny County, Pennsylvania. It was built in 1951 and reconstructed in 2014, so it is 74 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 4,536 vehicles a day, roughly 7% of them trucks, projected to reach 2,425 by 2032. The structure is 184 ft (56.1 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRosslyn Road
CrossesSR 0376 EB WB
LocationRosslyn Farms Exit
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.42035, -80.09256
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span114 ft (34.7 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,536 (2024)
Projected traffic2,425 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$426,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rosslyn Road over SR 0376 EB WB built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2014.

What condition is Rosslyn Road over SR 0376 EB WB 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 Rosslyn Road over SR 0376 EB WB carry?

About 4,536 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rosslyn Road over SR 0376 EB WB?

The structure is 184 ft (56.1 m) long with a longest span of 114 ft (34.7 m) and a deck 35 ft wide.

Who owns Rosslyn Road over SR 0376 EB WB?

It is owned by the State Highway Agency.