US Bridges

6th ST over Shamokin Creek

Fair

Northumberland County, Pennsylvania · City of Shamokin · Structure no. 000000000029393

Built
1891
134 years old, rebuilt 1981
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
73 ft
2 main spans
Daily traffic
5,850
2019 count
Owner
County
County Highway Agency

About this bridge

6th ST over Shamokin Creek is a concrete tee beam carrying 6th ST over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1891 and reconstructed in 1981, so it is 134 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 5,850 vehicles a day, roughly 1% of them trucks, projected to reach 9,045 by 2041. The structure is 73 ft (22.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries6th ST
CrossesShamokin Creek
LocationCity of Shamokin
RouteCity Street 0
CountyNorthumberland County
StatePennsylvania
Coordinates40.78908, -76.56033
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
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,850 (2019)
Projected traffic9,045 by 2041
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 6th ST over Shamokin Creek built?

It was built in 1891, making it 134 years old in 2025. It was reconstructed in 1981.

What condition is 6th ST 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 March 2023.

How much traffic does 6th ST over Shamokin Creek carry?

About 5,850 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is 6th ST over Shamokin Creek?

The structure is 73 ft (22.3 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns 6th ST over Shamokin Creek?

It is owned by the County Highway Agency.