US Bridges

Shamokin Street over Shamokin Creek

Fair

Northumberland County, Pennsylvania · Shamokin City · Structure no. 000000000029401

Built
1916
109 years old, rebuilt 1979
Condition
Fair
inspected October 2024
Type
Girder and Floorbeam System
Steel
Length
77 ft
1 main span
Daily traffic
1,600
2018 count
Owner
County
County Highway Agency

About this bridge

Shamokin Street over Shamokin Creek is a steel girder and floorbeam system carrying Shamokin Street over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1916 and reconstructed in 1979, so it is 109 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 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 2,474 by 2040. The structure is 77 ft (23.5 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShamokin Street
CrossesShamokin Creek
LocationShamokin City
RouteCity Street 0
Coordinates40.78506, -76.55141
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span71 ft (21.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2018)
Projected traffic2,474 by 2040
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shamokin Street over Shamokin Creek built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1979.

What condition is Shamokin Street 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 October 2024.

How much traffic does Shamokin Street over Shamokin Creek carry?

About 1,600 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Shamokin Street over Shamokin Creek?

The structure is 77 ft (23.5 m) long with a longest span of 71 ft (21.6 m) and a deck 37 ft wide.

Who owns Shamokin Street over Shamokin Creek?

It is owned by the County Highway Agency.