US Bridges

SR 0405 over Trib WB Susqehanna Rvr

Fair

Northumberland County, Pennsylvania · 2 MI N of Northumberland · Structure no. 000000000029052

Built
1938
87 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
6,926
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0405 over Trib WB Susqehanna Rvr is a concrete slab carrying SR 0405 over Trib WB Susqehanna Rvr in Northumberland County, Pennsylvania. It was built in 1938, so it is 87 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 6,926 vehicles a day, roughly 10% of them trucks, projected to reach 15,495 by 2032. The structure is 21 ft (6.4 m) long and 44 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesSR 0405
CrossesTrib WB Susqehanna Rvr
Location2 MI N of Northumberland
RouteState Highway 405
Coordinates40.91633, -76.84177
Functional classRural Principal Arterial - Other

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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width44 ft (13.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,926 (2024)
Projected traffic15,495 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemYes

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 0405 over Trib WB Susqehanna Rvr built?

It was built in 1938, making it 87 years old in 2025.

What condition is SR 0405 over Trib WB Susqehanna Rvr 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 0405 over Trib WB Susqehanna Rvr carry?

About 6,926 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 0405 over Trib WB Susqehanna Rvr?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 44 ft wide.

Who owns SR 0405 over Trib WB Susqehanna Rvr?

It is owned by the State Highway Agency.