US Bridges

Pa 601 over Barclay Run

Fair

Somerset County, Pennsylvania · Somerset Borough · Structure no. 000000000031473

Built
1942
83 years old, rebuilt 2009
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
12,782
2023 count
Owner
State
State Highway Agency

About this bridge

Pa 601 over Barclay Run is a prestressed concrete box beam or girders - multiple carrying Pa 601 over Barclay Run in Somerset County, Pennsylvania. It was built in 1942 and reconstructed in 2009, so it is 83 years old, older 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 5 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 12,782 vehicles a day, roughly 8% of them trucks, projected to reach 22,159 by 2032. The structure is 40 ft (12.2 m) long and 67 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPa 601
CrossesBarclay Run
LocationSomerset Borough
RouteState Highway 601
Coordinates40.01687, -79.07807
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width67 ft (20.3 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,782 (2023)
Projected traffic22,159 by 2032
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 601 over Barclay Run built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 2009.

What condition is Pa 601 over Barclay Run 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 June 2024.

How much traffic does Pa 601 over Barclay Run carry?

About 12,782 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Pa 601 over Barclay Run?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 67 ft wide.

Who owns Pa 601 over Barclay Run?

It is owned by the State Highway Agency.