US Bridges

SR 120-PA 120 over Cookes Run

Fair

Clinton County, Pennsylvania · 4 Mile West Westport · Structure no. 000000000012066

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
581
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Cookes Run is a prestressed concrete box beam or girders - multiple carrying SR 120-PA 120 over Cookes Run in Clinton County, Pennsylvania. It was built in 1985, so it is 40 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 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 581 vehicles a day, roughly 14% of them trucks, projected to reach 867 by 2044. The structure is 62 ft (18.9 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 120-PA 120
CrossesCookes Run
Location4 Mile West Westport
RouteState Highway 120
CountyClinton County
StatePennsylvania
Coordinates41.27848, -77.88531
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.
Superstructure7 GoodSome minor problems.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating55 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic581 (2024)
Projected traffic867 by 2044
Trucks14%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120-PA 120 over Cookes Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 120-PA 120 over Cookes 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 October 2024.

How much traffic does SR 120-PA 120 over Cookes Run carry?

About 581 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 120-PA 120 over Cookes Run?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 32 ft wide.

Who owns SR 120-PA 120 over Cookes Run?

It is owned by the State Highway Agency.