US Bridges

T-317 over Crooked Run

Fair

Greene County, Pennsylvania · Dunkard Twp · Structure no. 000000000048507

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
50
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-317 over Crooked Run is a concrete tee beam carrying T-317 over Crooked Run in Greene County, Pennsylvania. It was built in 1940, so it is 85 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 50 vehicles a day, projected to reach 60 by 2036. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesT-317
CrossesCrooked Run
LocationDunkard Twp
RouteCity Street 0T317
CountyGreene County
StatePennsylvania
Coordinates39.72373, -79.93985
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.
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 inspectionNovember 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2014)
Projected traffic60 by 2036
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-317 over Crooked Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is T-317 over Crooked 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 November 2023.

How much traffic does T-317 over Crooked Run carry?

About 50 vehicles per day (2014 count).

How long is T-317 over Crooked Run?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns T-317 over Crooked Run?

It is owned by the Town or Township Highway Agency.