US Bridges

SR 61 over Over Shamokin Cr.

Fair

Northumberland County, Pennsylvania · 4 MI N of Shamokin · Structure no. 000000000029000

Built
1926
99 years old, rebuilt 1941
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
124 ft
3 main spans
Daily traffic
17,574
2024 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Over Shamokin Cr. is a concrete tee beam carrying SR 61 over Over Shamokin Cr. in Northumberland County, Pennsylvania. It was built in 1926 and reconstructed in 1941, so it is 99 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 17,574 vehicles a day, roughly 6% of them trucks, projected to reach 16,724 by 2032. The structure is 124 ft (37.8 m) long and 55 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSR 61
CrossesOver Shamokin Cr.
Location4 MI N of Shamokin
RouteState Highway 61
Coordinates40.81979, -76.58373
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length124 ft (37.8 m)
Longest span40 ft (12.2 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,574 (2024)
Projected traffic16,724 by 2032
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$793,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 61 over Over Shamokin Cr. built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1941.

What condition is SR 61 over Over Shamokin Cr. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SR 61 over Over Shamokin Cr. carry?

About 17,574 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 61 over Over Shamokin Cr.?

The structure is 124 ft (37.8 m) long with a longest span of 40 ft (12.2 m) and a deck 55 ft wide.

Who owns SR 61 over Over Shamokin Cr.?

It is owned by the State Highway Agency.