US Bridges

SR 4018 over Over Little Shamokin Cr.

Fair

Northumberland County, Pennsylvania · 7 MI Southeast of Sunbury · Structure no. 000000000029299

Built
1947
78 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
3,150
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4018 over Over Little Shamokin Cr. is a steel stringer/multi-beam or girder carrying SR 4018 over Over Little Shamokin Cr. in Northumberland County, Pennsylvania. It was built in 1947, 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 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 3,150 vehicles a day, roughly 5% of them trucks, projected to reach 6,747 by 2032. The structure is 53 ft (16.2 m) long and 26 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 4018
CrossesOver Little Shamokin Cr.
Location7 MI Southeast of Sunbury
RouteState Highway 0
CountyNorthumberland County
StatePennsylvania
Coordinates40.83286, -76.75287
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckClosed grating
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span52 ft (15.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2024)
Projected traffic6,747 by 2032
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$132,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4018 over Over Little Shamokin Cr. built?

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

What condition is SR 4018 over Over Little Shamokin Cr. 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 December 2024.

How much traffic does SR 4018 over Over Little Shamokin Cr. carry?

About 3,150 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 4018 over Over Little Shamokin Cr.?

The structure is 53 ft (16.2 m) long with a longest span of 52 ft (15.8 m) and a deck 26 ft wide.

Who owns SR 4018 over Over Little Shamokin Cr.?

It is owned by the State Highway Agency.