US Bridges

SR 666 Main Street over Over Two Mile Creek

Fair

Warren County, Pennsylvania · Sheffield Township · Structure no. 000000000034070

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
2,873
2023 count
Owner
State
State Highway Agency

About this bridge

SR 666 Main Street over Over Two Mile Creek is a prestressed concrete box beam or girders - multiple carrying SR 666 Main Street over Over Two Mile Creek in Warren 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 2,873 vehicles a day, roughly 24% of them trucks, projected to reach 4,514 by 2032. The structure is 70 ft (21.3 m) long and 49 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 666 Main Street
CrossesOver Two Mile Creek
LocationSheffield Township
RouteState Highway 666
Coordinates41.70101, -79.0324
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,873 (2023)
Projected traffic4,514 by 2032
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 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 666 Main Street over Over Two Mile Creek built?

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

What condition is SR 666 Main Street over Over Two Mile Creek 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 May 2024.

How much traffic does SR 666 Main Street over Over Two Mile Creek carry?

About 2,873 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is SR 666 Main Street over Over Two Mile Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 49 ft wide.

Who owns SR 666 Main Street over Over Two Mile Creek?

It is owned by the State Highway Agency.