US Bridges

SR 120-PA 120 over Nit and Bald Eagle RR

Fair

Clinton County, Pennsylvania · City of Lock Haven · Structure no. 000000000040416

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
3,647
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Nit and Bald Eagle RR is a prestressed concrete box beam or girders - multiple carrying SR 120-PA 120 over Nit and Bald Eagle RR in Clinton County, Pennsylvania. It was built in 1980, so it is 45 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 3,647 vehicles a day, roughly 6% of them trucks, projected to reach 4,743 by 2043. The structure is 153 ft (46.6 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 120-PA 120
CrossesNit and Bald Eagle RR
LocationCity of Lock Haven
RouteState Highway 120
Coordinates41.12996, -77.44126
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span57 ft (17.4 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,647 (2024)
Projected traffic4,743 by 2043
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 120-PA 120 over Nit and Bald Eagle RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR 120-PA 120 over Nit and Bald Eagle RR 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 April 2023.

How much traffic does SR 120-PA 120 over Nit and Bald Eagle RR carry?

About 3,647 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 120-PA 120 over Nit and Bald Eagle RR?

The structure is 153 ft (46.6 m) long with a longest span of 57 ft (17.4 m) and a deck 56 ft wide.

Who owns SR 120-PA 120 over Nit and Bald Eagle RR?

It is owned by the State Highway Agency.