US Bridges

Pa 487 over Shamokin Creek

Fair

Northumberland County, Pennsylvania · Village of Paxinos · Structure no. 000000000029111

Built
1947
78 years old, rebuilt 2009
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
162 ft
2 main spans
Daily traffic
9,067
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 487 over Shamokin Creek is a steel girder and floorbeam system carrying Pa 487 over Shamokin Creek in Northumberland County, Pennsylvania. It was built in 1947 and reconstructed in 2009, so it is 78 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 9,067 vehicles a day, roughly 6% of them trucks, projected to reach 10,222 by 2032. The structure is 162 ft (49.4 m) long and 42 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesPa 487
CrossesShamokin Creek
LocationVillage of Paxinos
RouteState Highway 487
Coordinates40.84822, -76.58468
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span78 ft (23.8 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,067 (2024)
Projected traffic10,222 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$404,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 487 over Shamokin Creek built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2009.

What condition is Pa 487 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 May 2023.

How much traffic does Pa 487 over Shamokin Creek carry?

About 9,067 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pa 487 over Shamokin Creek?

The structure is 162 ft (49.4 m) long with a longest span of 78 ft (23.8 m) and a deck 42 ft wide.

Who owns Pa 487 over Shamokin Creek?

It is owned by the State Highway Agency.