US Bridges

SR 61 over Shamokin Creek

Fair

Northumberland County, Pennsylvania · City of Sunbury · Structure no. 000000000029007

Built
1933
92 years old, rebuilt 2013
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
158 ft
1 main span
Daily traffic
10,564
2024 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Shamokin Creek is a steel truss - thru carrying SR 61 over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1933 and reconstructed in 2013, so it is 92 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 10,564 vehicles a day, roughly 4% of them trucks, projected to reach 15,274 by 2032. The structure is 158 ft (48.2 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSR 61
CrossesShamokin Creek
LocationCity of Sunbury
RouteState Highway 61
CountyNorthumberland County
StatePennsylvania
Coordinates40.85916, -76.7757
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating20 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length158 ft (48.2 m)
Longest span154 ft (46.9 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic10,564 (2024)
Projected traffic15,274 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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$171,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 61 over Shamokin Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2013.

What condition is SR 61 over Shamokin Creek 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 June 2023.

How much traffic does SR 61 over Shamokin Creek carry?

About 10,564 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 61 over Shamokin Creek?

The structure is 158 ft (48.2 m) long with a longest span of 154 ft (46.9 m) and a deck 35 ft wide.

Who owns SR 61 over Shamokin Creek?

It is owned by the State Highway Agency.