US Bridges

Pangburn Hollow RD over Perrymill Run

Good

Allegheny County, Pennsylvania · PG04 Pangburn Hollow #4 · Structure no. 000000000048142

Built
2012
13 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
633
1994 count
Owner
County
County Highway Agency

About this bridge

Pangburn Hollow RD over Perrymill Run is a concrete culvert carrying Pangburn Hollow RD over Perrymill Run in Allegheny County, Pennsylvania. It was built in 2012, so it is 13 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 633 vehicles a day, roughly 5% of them trucks, projected to reach 633 by 2015. The structure is 28 ft (8.5 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPangburn Hollow RD
CrossesPerrymill Run
LocationPG04 Pangburn Hollow #4
RouteCounty Highway 0
Coordinates40.24144, -79.9141
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic633 (1994)
Projected traffic633 by 2015
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pangburn Hollow RD over Perrymill Run built?

It was built in 2012, making it 13 years old in 2025.

What condition is Pangburn Hollow RD over Perrymill 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 November 2023.

How much traffic does Pangburn Hollow RD over Perrymill Run carry?

About 633 vehicles per day (1994 count), of which roughly 5% are trucks.

How long is Pangburn Hollow RD over Perrymill Run?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Pangburn Hollow RD over Perrymill Run?

It is owned by the County Highway Agency.