US Bridges

Sunol Road over Black Run

Good

Mercer County, Pennsylvania · 1500FT SW of Cranberry RD · Structure no. 000000000026089

Built
1982
43 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
24
2024 count
Owner
County
County Highway Agency

About this bridge

Sunol Road over Black Run is a concrete culvert carrying Sunol Road over Black Run in Mercer County, Pennsylvania. It was built in 1982, so it is 43 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 24 vehicles a day, roughly 4% of them trucks, projected to reach 90 by 2038. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSunol Road
CrossesBlack Run
Location1500FT SW of Cranberry RD
RouteCity Street 7202
Coordinates41.47212, -80.14931
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2024)
Projected traffic90 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Sunol Road over Black Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sunol Road over Black 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 May 2024.

How much traffic does Sunol Road over Black Run carry?

About 24 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Sunol Road over Black Run?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns Sunol Road over Black Run?

It is owned by the County Highway Agency.