US Bridges

T-539 Stillwater R over Over Stillwater Creek

Good

Warren County, Pennsylvania · Sugar Grove Township · Structure no. 000000000040132

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
100
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-539 Stillwater R over Over Stillwater Creek is a prestressed concrete box beam or girders - multiple carrying T-539 Stillwater R over Over Stillwater Creek in Warren County, Pennsylvania. It was built in 1997, so it is 28 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 140 by 2043. The structure is 37 ft (11.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT-539 Stillwater R
CrossesOver Stillwater Creek
LocationSugar Grove Township
RouteCity Street 7221
Coordinates41.98404, -79.36992
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-539 Stillwater R over Over Stillwater Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is T-539 Stillwater R 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 October 2023.

How much traffic does T-539 Stillwater R over Over Stillwater Creek carry?

About 100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is T-539 Stillwater R over Over Stillwater Creek?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 29 ft wide.

Who owns T-539 Stillwater R over Over Stillwater Creek?

It is owned by the Town or Township Highway Agency.