US Bridges

SR 120-PA 120 over Big Run

Good

Cameron County, Pennsylvania · Truman · Structure no. 000000000008832

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
2,515
2024 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Big Run is a concrete culvert carrying SR 120-PA 120 over Big Run in Cameron County, Pennsylvania. It was built in 1991, so it is 34 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 2,515 vehicles a day, roughly 9% of them trucks, projected to reach 3,156 by 2044. The structure is 28 ft (8.5 m) long and 43 ft wide. If it were closed, the detour would be 85.1 mi (137 km).

CarriesSR 120-PA 120
CrossesBig Run
LocationTruman
RouteState Highway 120
Coordinates41.47712, -78.36857
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,515 (2024)
Projected traffic3,156 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed85.1 mi (137 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 Big Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 120-PA 120 over Big Run 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 May 2024.

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

About 2,515 vehicles per day (2024 count), of which roughly 9% are trucks.

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

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns SR 120-PA 120 over Big Run?

It is owned by the State Highway Agency.