US Bridges

SR 61 over Shamokin C. & Seda-Cog R

Good

Northumberland County, Pennsylvania · City of Shamokin · Structure no. 000000000044076

Built
2007
18 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
11,773
2024 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Shamokin C. & Seda-Cog R is a prestressed concrete stringer/multi-beam or girder carrying SR 61 over Shamokin C. & Seda-Cog R in Northumberland County, Pennsylvania. It was built in 2007, so it is 18 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 11,773 vehicles a day, roughly 5% of them trucks, projected to reach 16,224 by 2032. The structure is 152 ft (46.3 m) long and 74 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR 61
CrossesShamokin C. & Seda-Cog R
LocationCity of Shamokin
RouteState Highway 61
Coordinates40.79213, -76.56316
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating89 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length152 ft (46.3 m)
Longest span141 ft (43 m)
Deck width74 ft (22.6 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,773 (2024)
Projected traffic16,224 by 2032
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemYes

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 61 over Shamokin C. & Seda-Cog R built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR 61 over Shamokin C. & Seda-Cog R 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 61 over Shamokin C. & Seda-Cog R carry?

About 11,773 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 61 over Shamokin C. & Seda-Cog R?

The structure is 152 ft (46.3 m) long with a longest span of 141 ft (43 m) and a deck 74 ft wide.

Who owns SR 61 over Shamokin C. & Seda-Cog R?

It is owned by the State Highway Agency.