US Bridges

SR 666 over Over Tionesta Creek S Br

Fair

Warren County, Pennsylvania · Sheffield Township · Structure no. 000000000034068

Built
1957
68 years old, rebuilt 2014
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
121 ft
2 main spans
Daily traffic
618
2024 count
Owner
State
State Highway Agency

About this bridge

SR 666 over Over Tionesta Creek S Br is a prestressed concrete continuous box beam or girders - multiple carrying SR 666 over Over Tionesta Creek S Br in Warren County, Pennsylvania. It was built in 1957 and reconstructed in 2014, so it is 68 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 618 vehicles a day, roughly 14% of them trucks, projected to reach 820 by 2032. The structure is 121 ft (36.9 m) long and 51 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSR 666
CrossesOver Tionesta Creek S Br
LocationSheffield Township
RouteState Highway 666
Coordinates41.67217, -79.02879
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span59 ft (18 m)
Deck width51 ft (15.4 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic618 (2024)
Projected traffic820 by 2032
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 666 over Over Tionesta Creek S Br built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2014.

What condition is SR 666 over Over Tionesta Creek S Br 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 SR 666 over Over Tionesta Creek S Br carry?

About 618 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 666 over Over Tionesta Creek S Br?

The structure is 121 ft (36.9 m) long with a longest span of 59 ft (18 m) and a deck 51 ft wide.

Who owns SR 666 over Over Tionesta Creek S Br?

It is owned by the State Highway Agency.