US Bridges

Township Road 366 over SR 0079

Fair

Washington County, Pennsylvania · Amwell Township · Structure no. 000000000034540

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
220 ft
4 main spans
Daily traffic
86
2024 count
Owner
State
State Highway Agency

About this bridge

Township Road 366 over SR 0079 is a prestressed concrete box beam or girders - multiple carrying Township Road 366 over SR 0079 in Washington County, Pennsylvania. It was built in 1966, so it is 59 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 6 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 86 vehicles a day, roughly 11% of them trucks, projected to reach 107 by 2032. The structure is 220 ft (67.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTownship Road 366
CrossesSR 0079
LocationAmwell Township
RouteState Highway 0
CountyWashington County
StatePennsylvania
Coordinates40.05392, -80.18496
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78 US tons
Inventory rating31 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length220 ft (67.1 m)
Longest span66 ft (20.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2024)
Projected traffic107 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Township Road 366 over SR 0079 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Township Road 366 over SR 0079 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 September 2023.

How much traffic does Township Road 366 over SR 0079 carry?

About 86 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Township Road 366 over SR 0079?

The structure is 220 ft (67.1 m) long with a longest span of 66 ft (20.1 m) and a deck 33 ft wide.

Who owns Township Road 366 over SR 0079?

It is owned by the State Highway Agency.