US Bridges

Pa 850; SR 0850 over Trib to Fishing CR

Fair

Perry County, Pennsylvania · E. 2 Mi. of Shermansdale · Structure no. 000000000029573

Built
1962
63 years old, rebuilt 2017
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
1,687
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 850; SR 0850 over Trib to Fishing CR is a prestressed concrete box beam or girders - multiple carrying Pa 850; SR 0850 over Trib to Fishing CR in Perry County, Pennsylvania. It was built in 1962 and reconstructed in 2017, so it is 63 years old, older 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 1,687 vehicles a day, roughly 11% of them trucks, projected to reach 2,424 by 2032. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesPa 850; SR 0850
CrossesTrib to Fishing CR
LocationE. 2 Mi. of Shermansdale
RouteState Highway 850
Coordinates40.32026, -77.13387
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,687 (2024)
Projected traffic2,424 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Trib to Fishing CR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2017.

What condition is Pa 850; SR 0850 over Trib to Fishing CR 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 April 2023.

How much traffic does Pa 850; SR 0850 over Trib to Fishing CR carry?

About 1,687 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Pa 850; SR 0850 over Trib to Fishing CR?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 35 ft wide.

Who owns Pa 850; SR 0850 over Trib to Fishing CR?

It is owned by the State Highway Agency.