US Bridges

SR 120-PA 120 over Norfolk and Southern

Good

Clinton County, Pennsylvania · City of Lock Haven · Structure no. 000000000012140

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
168 ft
3 main spans
Daily traffic
7,227
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Norfolk and Southern is a prestressed concrete box beam or girders - multiple carrying SR 120-PA 120 over Norfolk and Southern 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,227 vehicles a day, roughly 6% of them trucks, projected to reach 9,910 by 2044. The structure is 168 ft (51.2 m) long and 72 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 120-PA 120
CrossesNorfolk and Southern
LocationCity of Lock Haven
RouteState Highway 120
Coordinates41.13362, -77.44301
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length168 ft (51.2 m)
Longest span78 ft (23.8 m)
Deck width72 ft (21.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,227 (2024)
Projected traffic9,910 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 120-PA 120 over Norfolk and Southern built?

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

What condition is SR 120-PA 120 over Norfolk and Southern in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does SR 120-PA 120 over Norfolk and Southern carry?

About 7,227 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 120-PA 120 over Norfolk and Southern?

The structure is 168 ft (51.2 m) long with a longest span of 78 ft (23.8 m) and a deck 72 ft wide.

Who owns SR 120-PA 120 over Norfolk and Southern?

It is owned by the State Highway Agency.