US Bridges

Willow Street over Shamokin Creek

PoorPosted for load

Northumberland County, Pennsylvania · Shamokin City · Structure no. 000000000029404

Built
1906
119 years old, rebuilt 1949
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
600
2011 count
Owner
County
County Highway Agency

About this bridge

Willow Street over Shamokin Creek is a steel stringer/multi-beam or girder carrying Willow Street over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1906 and reconstructed in 1949, so it is 119 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 2% of them trucks, projected to reach 928 by 2033. The structure is 61 ft (18.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWillow Street
CrossesShamokin Creek
LocationShamokin City
RouteCity Street 0
Coordinates40.78374, -76.55023
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating16 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2011)
Projected traffic928 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Willow Street over Shamokin Creek built?

It was built in 1906, making it 119 years old in 2025. It was reconstructed in 1949.

What condition is Willow Street over Shamokin Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Willow Street over Shamokin Creek carry?

About 600 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Willow Street over Shamokin Creek?

The structure is 61 ft (18.6 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns Willow Street over Shamokin Creek?

It is owned by the County Highway Agency.