US Bridges

Glenfield RD over Kilbuck Run Trib

Fair

Allegheny County, Pennsylvania · KL11 Kilbuck Run No. 11 · Structure no. 000000000002253

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
1,900
2006 count
Owner
County
County Highway Agency

About this bridge

Glenfield RD over Kilbuck Run Trib is a concrete slab carrying Glenfield RD over Kilbuck Run Trib in Allegheny County, Pennsylvania. It was built in 1992, so it is 33 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 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 2,400 by 2023. The structure is 22 ft (6.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGlenfield RD
CrossesKilbuck Run Trib
LocationKL11 Kilbuck Run No. 11
RouteCounty Highway 0
Coordinates40.53336, -80.12732
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating91.1 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2006)
Projected traffic2,400 by 2023
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Glenfield RD over Kilbuck Run Trib built?

It was built in 1992, making it 33 years old in 2025.

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

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

How long is Glenfield RD over Kilbuck Run Trib?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Glenfield RD over Kilbuck Run Trib?

It is owned by the County Highway Agency.