US Bridges

SR 4004 over Over Wilson Run

Fair

Northumberland County, Pennsylvania · 4 Mi.S of Riverside · Structure no. 000000000029276

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
1,114
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4004 over Over Wilson Run is a concrete tee beam carrying SR 4004 over Over Wilson Run in Northumberland County, Pennsylvania. It was built in 1957, so it is 68 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 1,114 vehicles a day, roughly 6% of them trucks, projected to reach 1,045 by 2032. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSR 4004
CrossesOver Wilson Run
Location4 Mi.S of Riverside
RouteState Highway 0
Coordinates40.91292, -76.6404
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,114 (2023)
Projected traffic1,045 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4004 over Over Wilson Run built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 4004 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 4004 over Over Wilson Run carry?

About 1,114 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 4004 over Over Wilson Run?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns SR 4004 over Over Wilson Run?

It is owned by the State Highway Agency.