US Bridges

Pa 601 over Shade Creek

Good

Somerset County, Pennsylvania · Seanor · Structure no. 000000000031483

Built
1943
82 years old, rebuilt 2022
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
2 main spans
Daily traffic
677
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 601 over Shade Creek is a steel stringer/multi-beam or girder carrying Pa 601 over Shade Creek in Somerset County, Pennsylvania. It was built in 1943 and reconstructed in 2022, so it is 82 years old, older 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 677 vehicles a day, roughly 4% of them trucks, projected to reach 665 by 2032. The structure is 97 ft (29.6 m) long and 31 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesPa 601
CrossesShade Creek
LocationSeanor
RouteState Highway 601
Coordinates40.21208, -78.89865
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length97 ft (29.6 m)
Longest span46 ft (14 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic677 (2024)
Projected traffic665 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 601 over Shade Creek built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 2022.

What condition is Pa 601 over Shade 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 October 2024.

How much traffic does Pa 601 over Shade Creek carry?

About 677 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Pa 601 over Shade Creek?

The structure is 97 ft (29.6 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns Pa 601 over Shade Creek?

It is owned by the State Highway Agency.