US Bridges

Pa TPK(PA-66) Ramp over Lit. Sewickley CR

Good

Westmoreland County, Pennsylvania · Hempfield Twp · Structure no. 000000000036791

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
10,685
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa TPK(PA-66) Ramp over Lit. Sewickley CR is a concrete culvert carrying Pa TPK(PA-66) Ramp over Lit. Sewickley CR 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,685 vehicles a day, roughly 15% of them trucks, projected to reach 12,108 by 2030. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPa TPK(PA-66) Ramp
CrossesLit. Sewickley CR
LocationHempfield Twp
Coordinates40.28037, -79.6122
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,685 (2008)
Projected traffic12,108 by 2030
Trucks15%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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) Ramp over Lit. Sewickley CR built?

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

What condition is Pa TPK(PA-66) Ramp over Lit. Sewickley CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Pa TPK(PA-66) Ramp over Lit. Sewickley CR carry?

About 10,685 vehicles per day (2008 count), of which roughly 15% are trucks.

How long is Pa TPK(PA-66) Ramp over Lit. Sewickley CR?

The structure is 30 ft (9.1 m) long with a longest span of 25 ft (7.6 m).

Who owns Pa TPK(PA-66) Ramp over Lit. Sewickley CR?

It is owned by the State Toll Authority.