US Bridges

T-620 Walley Run over Walley Run

Good

Clarion County, Pennsylvania · 2 MI N Int. W/ SR 4004 · Structure no. 000000000043455

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-620 Walley Run over Walley Run is a concrete culvert carrying T-620 Walley Run over Walley Run in Clarion County, Pennsylvania. It was built in 2004, so it is 21 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-620 Walley Run
CrossesWalley Run
Location2 MI N Int. W/ SR 4004
RouteCity Street 0
Coordinates41.40811, -79.28516
Functional classRural Local

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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating44 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-620 Walley Run over Walley Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is T-620 Walley Run over Walley 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 September 2023.

How much traffic does T-620 Walley Run over Walley Run carry?

About 50 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is T-620 Walley Run over Walley Run?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns T-620 Walley Run over Walley Run?

It is owned by the Town or Township Highway Agency.