US Bridges

Township Road 390 over Grays Fork

Fair

Greene County, Pennsylvania · East of Graysville · Structure no. 000000000018507

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
20
1993 count
Owner
County
County Highway Agency

About this bridge

Township Road 390 over Grays Fork is a concrete tee beam carrying Township Road 390 over Grays Fork in Greene County, Pennsylvania. It was built in 1961, so it is 64 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 1992. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTownship Road 390
CrossesGrays Fork
LocationEast of Graysville
RouteCity Street 0T390
CountyGreene County
StatePennsylvania
Coordinates39.92876, -80.38169
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1993)
Projected traffic30 by 1992
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Township Road 390 over Grays Fork built?

It was built in 1961, making it 64 years old in 2025.

What condition is Township Road 390 over Grays Fork 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 2024.

How much traffic does Township Road 390 over Grays Fork carry?

About 20 vehicles per day (1993 count), of which roughly 10% are trucks.

How long is Township Road 390 over Grays Fork?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Township Road 390 over Grays Fork?

It is owned by the County Highway Agency.