US Bridges

SR 4002 over Over Wilson Run

Fair

Northumberland County, Pennsylvania · Riverside Boro · Structure no. 000000000029270

Built
1961
64 years old, rebuilt 2012
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
71
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4002 over Over Wilson Run is a prestressed concrete box beam or girders - multiple carrying SR 4002 over Over Wilson Run in Northumberland County, Pennsylvania. It was built in 1961 and reconstructed in 2012, so it is 64 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 6 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 71 vehicles a day, roughly 13% of them trucks, projected to reach 82 by 2032. The structure is 32 ft (9.8 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 4002
CrossesOver Wilson Run
LocationRiverside Boro
RouteState Highway 0
Coordinates40.94416, -76.64916
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2024)
Projected traffic82 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$72,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4002 over Over Wilson Run built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2012.

What condition is SR 4002 over Over Wilson Run 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 November 2023.

How much traffic does SR 4002 over Over Wilson Run carry?

About 71 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 4002 over Over Wilson Run?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns SR 4002 over Over Wilson Run?

It is owned by the State Highway Agency.