US Bridges

SR 957 over Over Stillwater Creek

Good

Warren County, Pennsylvania · Sugar Grove Township · Structure no. 000000000034080

Built
1953
72 years old, rebuilt 2006
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
1,276
2023 count
Owner
State
State Highway Agency

About this bridge

SR 957 over Over Stillwater Creek is a prestressed concrete box beam or girders - multiple carrying SR 957 over Over Stillwater Creek in Warren County, Pennsylvania. It was built in 1953 and reconstructed in 2006, so it is 72 years old, older 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 1,276 vehicles a day, roughly 9% of them trucks, projected to reach 3,402 by 2032. The structure is 45 ft (13.7 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesSR 957
CrossesOver Stillwater Creek
LocationSugar Grove Township
RouteState Highway 957
Coordinates41.98316, -79.31967
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,276 (2023)
Projected traffic3,402 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 957 over Over Stillwater Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2006.

What condition is SR 957 over Over Stillwater 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 June 2023.

How much traffic does SR 957 over Over Stillwater Creek carry?

About 1,276 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 957 over Over Stillwater Creek?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns SR 957 over Over Stillwater Creek?

It is owned by the State Highway Agency.