US Bridges

Glenfield RD over Kilbuck Run

Fair

Allegheny County, Pennsylvania · KL03 Kilbuck Run No. 3 · Structure no. 000000000002679

Built
1936
89 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
1,900
2006 count
Owner
County
County Highway Agency

About this bridge

Glenfield RD over Kilbuck Run is a concrete culvert carrying Glenfield RD over Kilbuck Run in Allegheny County, Pennsylvania. It was built in 1936, so it is 89 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 1,900 vehicles a day, roughly 5% of them trucks, projected to reach 2,460 by 2030. The structure is 34 ft (10.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGlenfield RD
CrossesKilbuck Run
LocationKL03 Kilbuck Run No. 3
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.54225, -80.12289
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2006)
Projected traffic2,460 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$105,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Glenfield RD over Kilbuck Run built?

It was built in 1936, making it 89 years old in 2025.

What condition is Glenfield RD over 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 Glenfield RD over Kilbuck Run carry?

About 1,900 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Glenfield RD over Kilbuck Run?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 36 ft wide.

Who owns Glenfield RD over Kilbuck Run?

It is owned by the County Highway Agency.