US Bridges

Pa Tpk (pa 66) over SR 4004 Nfs RR

Fair

Westmoreland County, Pennsylvania · Hempfield Twp · Structure no. 000000000036797

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
638 ft
4 main spans
Daily traffic
10,429
1998 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (pa 66) over SR 4004 Nfs RR is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (pa 66) over SR 4004 Nfs RR in Westmoreland County, Pennsylvania. It was built in 1991, so it is 34 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 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 10,429 vehicles a day, roughly 15% of them trucks, projected to reach 15,277 by 2030. The structure is 638 ft (194.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPa Tpk (pa 66)
CrossesSR 4004 Nfs RR
LocationHempfield Twp
CountyWestmoreland County
StatePennsylvania
Coordinates40.31333, -79.59
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length638 ft (194.5 m)
Longest span160 ft (48.8 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,429 (1998)
Projected traffic15,277 by 2030
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Pa Tpk (pa 66) over SR 4004 Nfs RR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Pa Tpk (pa 66) over SR 4004 Nfs RR 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 Pa Tpk (pa 66) over SR 4004 Nfs RR carry?

About 10,429 vehicles per day (1998 count), of which roughly 15% are trucks.

How long is Pa Tpk (pa 66) over SR 4004 Nfs RR?

The structure is 638 ft (194.5 m) long with a longest span of 160 ft (48.8 m) and a deck 57 ft wide.

Who owns Pa Tpk (pa 66) over SR 4004 Nfs RR?

It is owned by the State Toll Authority.