US Bridges

Pa 850; SR 0850 over Laurel Run

Fair

Perry County, Pennsylvania · 7 Mi. N.W. Kistler · Structure no. 000000000029560

Built
1992
33 years old
Condition
Fair
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
371
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 850; SR 0850 over Laurel Run is a prestressed concrete box beam or girders - multiple carrying Pa 850; SR 0850 over Laurel Run in Perry 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 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 371 vehicles a day, roughly 14% of them trucks, projected to reach 457 by 2032. The structure is 55 ft (16.8 m) long and 31 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesPa 850; SR 0850
CrossesLaurel Run
Location7 Mi. N.W. Kistler
RouteState Highway 850
Coordinates40.39553, -77.53655
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 rating91.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2024)
Projected traffic457 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Pa 850; SR 0850 over Laurel Run built?

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

What condition is Pa 850; SR 0850 over Laurel Run 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 November 2022.

How much traffic does Pa 850; SR 0850 over Laurel Run carry?

About 371 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Pa 850; SR 0850 over Laurel Run?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 31 ft wide.

Who owns Pa 850; SR 0850 over Laurel Run?

It is owned by the State Highway Agency.