US Bridges

Pa 850; SR 0850 over Montour Creek

Fair

Perry County, Pennsylvania · 2 Mi. N. Landisburg · Structure no. 000000000029567

Built
1957
68 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
2 main spans
Daily traffic
2,578
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 850; SR 0850 over Montour Creek is a steel stringer/multi-beam or girder carrying Pa 850; SR 0850 over Montour Creek in Perry County, Pennsylvania. It was built in 1957, so it is 68 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 2,578 vehicles a day, roughly 9% of them trucks, projected to reach 3,348 by 2032. The structure is 73 ft (22.3 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPa 850; SR 0850
CrossesMontour Creek
Location2 Mi. N. Landisburg
RouteState Highway 850
Coordinates40.35848, -77.31799
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans2
Design loadH 20
Structure length73 ft (22.3 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,578 (2024)
Projected traffic3,348 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 850; SR 0850 over Montour Creek built?

It was built in 1957, making it 68 years old in 2025.

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

How much traffic does Pa 850; SR 0850 over Montour Creek carry?

About 2,578 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Pa 850; SR 0850 over Montour Creek?

The structure is 73 ft (22.3 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Pa 850; SR 0850 over Montour Creek?

It is owned by the State Highway Agency.