US Bridges

T-322 Dobbs RD over Willow Run

FairPosted for load

Juniata County, Pennsylvania · .5 MI SE of Int SR 3014 · Structure no. 000000000020352

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
50
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-322 Dobbs RD over Willow Run is a prestressed concrete box beam or girders - multiple carrying T-322 Dobbs RD over Willow Run in Juniata County, Pennsylvania. It was built in 1984, so it is 41 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 70 by 2031. The structure is 58 ft (17.7 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-322 Dobbs RD
CrossesWillow Run
Location.5 MI SE of Int SR 3014
RouteCity Street 0
Coordinates40.43097, -77.58347
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2011)
Projected traffic70 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-322 Dobbs RD over Willow Run built?

It was built in 1984, making it 41 years old in 2025.

What condition is T-322 Dobbs RD over Willow 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 October 2023.

How much traffic does T-322 Dobbs RD over Willow Run carry?

About 50 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is T-322 Dobbs RD over Willow Run?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 16 ft wide.

Who owns T-322 Dobbs RD over Willow Run?

It is owned by the Town or Township Highway Agency.