US Bridges

Perry Hw over Slippery Rock Creek

Fair

Lawrence County, Pennsylvania · 50 Ft N.W. of Twp RD 487 · Structure no. 000000000039531

Built
1997
28 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
230 ft
2 main spans
Daily traffic
3,988
2024 count
Owner
State
State Highway Agency

About this bridge

Perry Hw over Slippery Rock Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Perry Hw over Slippery Rock Creek in Lawrence County, Pennsylvania. It was built in 1997, so it is 28 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 6 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 3,988 vehicles a day, roughly 10% of them trucks, projected to reach 4,154 by 2032. The structure is 230 ft (70.1 m) long and 44 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesPerry Hw
CrossesSlippery Rock Creek
Location50 Ft N.W. of Twp RD 487
RouteU.S. Route 19
CountyLawrence County
StatePennsylvania
Coordinates41.0114, -80.17776
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span112 ft (34.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,988 (2024)
Projected traffic4,154 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Perry Hw over Slippery Rock Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Perry Hw over Slippery Rock Creek 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 June 2022.

How much traffic does Perry Hw over Slippery Rock Creek carry?

About 3,988 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Perry Hw over Slippery Rock Creek?

The structure is 230 ft (70.1 m) long with a longest span of 112 ft (34.1 m) and a deck 44 ft wide.

Who owns Perry Hw over Slippery Rock Creek?

It is owned by the State Highway Agency.