US Bridges

Pangburn Hollow RD over Perry Mill Run

Good

Allegheny County, Pennsylvania · PG07 Pangburn Hollow RD#7 · Structure no. 000000000040945

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
678
2004 count
Owner
County
County Highway Agency

About this bridge

Pangburn Hollow RD over Perry Mill Run is a concrete culvert carrying Pangburn Hollow RD over Perry Mill Run in Allegheny County, Pennsylvania. It was built in 2000, so it is 25 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 678 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2024. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPangburn Hollow RD
CrossesPerry Mill Run
LocationPG07 Pangburn Hollow RD#7
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.2289, -79.9152
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating42 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2004)
Projected traffic1,000 by 2024
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 Pangburn Hollow RD over Perry Mill Run built?

It was built in 2000, making it 25 years old in 2025.

What condition is Pangburn Hollow RD over Perry Mill Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Pangburn Hollow RD over Perry Mill Run carry?

About 678 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Pangburn Hollow RD over Perry Mill Run?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns Pangburn Hollow RD over Perry Mill Run?

It is owned by the County Highway Agency.