US Bridges

SR 3011 over Casselman River

Good

Somerset County, Pennsylvania · Markleton · Structure no. 000000000031696

Built
1986
39 years old, rebuilt 2013
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
216 ft
3 main spans
Daily traffic
116
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3011 over Casselman River is a steel stringer/multi-beam or girder carrying SR 3011 over Casselman River in Somerset County, Pennsylvania. It was built in 1986 and reconstructed in 2013, so it is 39 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 116 vehicles a day, roughly 2% of them trucks, projected to reach 294 by 2032. The structure is 216 ft (65.8 m) long and 38 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesSR 3011
CrossesCasselman River
LocationMarkleton
RouteState Highway 0
Coordinates39.86014, -79.22841
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length216 ft (65.8 m)
Longest span94 ft (28.7 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic116 (2024)
Projected traffic294 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 3011 over Casselman River built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2013.

What condition is SR 3011 over Casselman River 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 September 2024.

How much traffic does SR 3011 over Casselman River carry?

About 116 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 3011 over Casselman River?

The structure is 216 ft (65.8 m) long with a longest span of 94 ft (28.7 m) and a deck 38 ft wide.

Who owns SR 3011 over Casselman River?

It is owned by the State Highway Agency.