US Bridges

SR 11 over Silver Creek

Good

Snyder County, Pennsylvania · 2 MI SW of Port Treverton · Structure no. 000000000031040

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
15,037
2024 count
Owner
State
State Highway Agency

About this bridge

SR 11 over Silver Creek is a prestressed concrete slab carrying SR 11 over Silver Creek in Snyder County, Pennsylvania. It was built in 1992, so it is 33 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 15,037 vehicles a day, roughly 22% of them trucks, projected to reach 17,170 by 2032. The structure is 29 ft (8.8 m) long and 87 ft wide.

CarriesSR 11
CrossesSilver Creek
Location2 MI SW of Port Treverton
RouteU.S. Route 11
Coordinates40.69773, -76.87304
Functional classRural Principal Arterial - Other

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.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating73 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width87 ft (26.5 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,037 (2024)
Projected traffic17,170 by 2032
Trucks22%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 11 over Silver Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 11 over Silver 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 March 2023.

How much traffic does SR 11 over Silver Creek carry?

About 15,037 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is SR 11 over Silver Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 87 ft wide.

Who owns SR 11 over Silver Creek?

It is owned by the State Highway Agency.