US Bridges

SR 120-PA 120 over Walnut Street

Fair

Clinton County, Pennsylvania · City of Lock Haven · Structure no. 000000000012141

Built
1980
45 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
7,227
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Walnut Street is a prestressed concrete stringer/multi-beam or girder carrying SR 120-PA 120 over Walnut Street 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 7,227 vehicles a day, roughly 6% of them trucks, projected to reach 9,910 by 2043. The structure is 108 ft (32.9 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 120-PA 120
CrossesWalnut Street
LocationCity of Lock Haven
RouteState Highway 120
Coordinates41.13251, -77.44306
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span105 ft (32 m)
Deck width84 ft (25.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,227 (2024)
Projected traffic9,910 by 2043
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$527,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 120-PA 120 over Walnut Street built?

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

What condition is SR 120-PA 120 over Walnut Street 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 Walnut Street carry?

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

How long is SR 120-PA 120 over Walnut Street?

The structure is 108 ft (32.9 m) long with a longest span of 105 ft (32 m) and a deck 84 ft wide.

Who owns SR 120-PA 120 over Walnut Street?

It is owned by the State Highway Agency.