US Bridges

SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK

Fair

Clinton County, Pennsylvania · Hyner · Structure no. 000000000012104

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,450 ft
10 main spans
Daily traffic
2,180
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK in Clinton County, Pennsylvania. It was built in 1987, so it is 38 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 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 2,180 vehicles a day, roughly 21% of them trucks, projected to reach 2,192 by 2044. The structure is 1,450 ft (442 m) long and 39 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 120-PA 120
CrossesWB Susq R/Tr 475/NORFOLK
LocationHyner
RouteState Highway 120
CountyClinton County
StatePennsylvania
Coordinates41.32554, -77.63645
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating103 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 25 or greater
Structure length1,450 ft (442 m)
Longest span142 ft (43.3 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,180 (2024)
Projected traffic2,192 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK 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 WB Susq R/Tr 475/NORFOLK carry?

About 2,180 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK?

The structure is 1,450 ft (442 m) long with a longest span of 142 ft (43.3 m) and a deck 39 ft wide.

Who owns SR 120-PA 120 over WB Susq R/Tr 475/NORFOLK?

It is owned by the State Highway Agency.