US Bridges

SR 0166 over Dunlap Creek

Good

Fayette County, Pennsylvania · 1.4 MI S from SR 0040 · Structure no. 000000000048589

Built
2013
12 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
4,046
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0166 over Dunlap Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 0166 over Dunlap Creek in Fayette County, Pennsylvania. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,046 vehicles a day, roughly 10% of them trucks, projected to reach 4,568 by 2036. The structure is 119 ft (36.3 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR 0166
CrossesDunlap Creek
Location1.4 MI S from SR 0040
RouteState Highway 166
Coordinates39.99217, -79.87445
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length119 ft (36.3 m)
Longest span115 ft (35.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,046 (2024)
Projected traffic4,568 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0166 over Dunlap Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 0166 over Dunlap Creek 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 November 2024.

How much traffic does SR 0166 over Dunlap Creek carry?

About 4,046 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 0166 over Dunlap Creek?

The structure is 119 ft (36.3 m) long with a longest span of 115 ft (35.1 m) and a deck 43 ft wide.

Who owns SR 0166 over Dunlap Creek?

It is owned by the State Highway Agency.