US Bridges

SR 120-PA 120 over Montour Run

Good

Clinton County, Pennsylvania · 6 Mile East Sinnemahoning · Structure no. 000000000056000

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 120-PA 120 over Montour Run is a concrete culvert carrying SR 120-PA 120 over Montour Run in Clinton County, Pennsylvania. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 13% of them trucks, projected to reach 730 by 2044. The structure is 22 ft (6.7 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 120-PA 120
CrossesMontour Run
Location6 Mile East Sinnemahoning
RouteState Highway 120
CountyClinton County
StatePennsylvania
Coordinates41.30192, -78.01488
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic730 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 120-PA 120 over Montour Run built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 120-PA 120 over Montour 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 October 2024.

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

About 300 vehicles per day (2023 count), of which roughly 13% are trucks.

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

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns SR 120-PA 120 over Montour Run?

It is owned by the State Highway Agency.