US Bridges

Pa 850; SR 0850 over Perry Furnace Run

Fair

Perry County, Pennsylvania · 2MI West of Dromgold · Structure no. 000000000029570

Built
1928
97 years old
Condition
Fair
inspected December 2022
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
4,321
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 850; SR 0850 over Perry Furnace Run is a concrete tee beam carrying Pa 850; SR 0850 over Perry Furnace Run in Perry County, Pennsylvania. It was built in 1928, so it is 97 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 5 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 4,321 vehicles a day, roughly 9% of them trucks, projected to reach 6,078 by 2032. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesPa 850; SR 0850
CrossesPerry Furnace Run
Location2MI West of Dromgold
RouteState Highway 850
CountyPerry County
StatePennsylvania
Coordinates40.35173, -77.21052
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.5 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,321 (2023)
Projected traffic6,078 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 850; SR 0850 over Perry Furnace Run built?

It was built in 1928, making it 97 years old in 2025.

What condition is Pa 850; SR 0850 over Perry Furnace 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 December 2022.

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

About 4,321 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Pa 850; SR 0850 over Perry Furnace Run?

The structure is 28 ft (8.5 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Pa 850; SR 0850 over Perry Furnace Run?

It is owned by the State Highway Agency.