US Bridges

SR 146 - Pa 146 over Potato Creek

Good

McKean County, Pennsylvania · 1 MI S Colegrove · Structure no. 000000000054680

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
146
2024 count
Owner
State
State Highway Agency

About this bridge

SR 146 - Pa 146 over Potato Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 146 - Pa 146 over Potato Creek in McKean County, Pennsylvania. It was built in 2017, so it is 8 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 146 vehicles a day, roughly 20% of them trucks, projected to reach 241 by 2043. The structure is 101 ft (30.8 m) long and 27 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesSR 146 - Pa 146
CrossesPotato Creek
Location1 MI S Colegrove
RouteState Highway 146
Coordinates41.70788, -78.39069
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span97 ft (29.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2024)
Projected traffic241 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 146 - Pa 146 over Potato Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 146 - Pa 146 over Potato Creek 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 September 2023.

How much traffic does SR 146 - Pa 146 over Potato Creek carry?

About 146 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is SR 146 - Pa 146 over Potato Creek?

The structure is 101 ft (30.8 m) long with a longest span of 97 ft (29.6 m) and a deck 27 ft wide.

Who owns SR 146 - Pa 146 over Potato Creek?

It is owned by the State Highway Agency.