US Bridges

Raymond Shafer Hw over Glenfield RD Kilbuck Run

Fair

Allegheny County, Pennsylvania · SR79 NB over Glenfield RD · Structure no. 000000000000902

Built
1971
54 years old, rebuilt 2022
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
431 ft
4 main spans
Daily traffic
17,569
2024 count
Owner
State
State Highway Agency

About this bridge

Raymond Shafer Hw over Glenfield RD Kilbuck Run is a steel stringer/multi-beam or girder carrying Raymond Shafer Hw over Glenfield RD Kilbuck Run in Allegheny County, Pennsylvania. It was built in 1971 and reconstructed in 2022, so it is 54 years old, younger 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 17,569 vehicles a day, roughly 36% of them trucks, projected to reach 19,859 by 2032. The structure is 431 ft (131.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRaymond Shafer Hw
CrossesGlenfield RD Kilbuck Run
LocationSR79 NB over Glenfield RD
RouteInterstate 79
CountyAllegheny County
StatePennsylvania
Coordinates40.52854, -80.12911
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length431 ft (131.4 m)
Longest span108 ft (32.9 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,569 (2024)
Projected traffic19,859 by 2032
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Raymond Shafer Hw over Glenfield RD Kilbuck Run built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2022.

What condition is Raymond Shafer Hw over Glenfield RD Kilbuck Run 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 May 2024.

How much traffic does Raymond Shafer Hw over Glenfield RD Kilbuck Run carry?

About 17,569 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is Raymond Shafer Hw over Glenfield RD Kilbuck Run?

The structure is 431 ft (131.4 m) long with a longest span of 108 ft (32.9 m) and a deck 44 ft wide.

Who owns Raymond Shafer Hw over Glenfield RD Kilbuck Run?

It is owned by the State Highway Agency.