US Bridges

SR 120-PA 120 over First Fork Sinnemahoning

Fair

Cameron County, Pennsylvania · Sinnemahoning · Structure no. 000000000008865

Built
1947
78 years old, rebuilt 2015
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
295 ft
4 main spans
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over First Fork Sinnemahoning is a steel continuous stringer/multi-beam or girder carrying SR 120-PA 120 over First Fork Sinnemahoning in Cameron County, Pennsylvania. It was built in 1947 and reconstructed in 2015, so it is 78 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 300 vehicles a day, roughly 13% of them trucks, projected to reach 549 by 2042. The structure is 295 ft (89.9 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSR 120-PA 120
CrossesFirst Fork Sinnemahoning
LocationSinnemahoning
RouteState Highway 120
CountyCameron County
StatePennsylvania
Coordinates41.31963, -78.0807
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span81 ft (24.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic549 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120-PA 120 over First Fork Sinnemahoning built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2015.

What condition is SR 120-PA 120 over First Fork Sinnemahoning 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 May 2024.

How much traffic does SR 120-PA 120 over First Fork Sinnemahoning carry?

About 300 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 120-PA 120 over First Fork Sinnemahoning?

The structure is 295 ft (89.9 m) long with a longest span of 81 ft (24.7 m) and a deck 31 ft wide.

Who owns SR 120-PA 120 over First Fork Sinnemahoning?

It is owned by the State Highway Agency.