US Bridges

I-80 WB over SR405& WB Susquehanna R.

Fair

Northumberland County, Pennsylvania · Milton I80WB River Bridge · Structure no. 000000000029013

Built
1962
63 years old, rebuilt 2001
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,527 ft
10 main spans
Daily traffic
16,130
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 WB over SR405& WB Susquehanna R. is a prestressed concrete continuous stringer/multi-beam or girder carrying I-80 WB over SR405& WB Susquehanna R. in Northumberland County, Pennsylvania. It was built in 1962 and reconstructed in 2001, so it is 63 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 16,130 vehicles a day, roughly 32% of them trucks, projected to reach 17,560 by 2032. The structure is 1,527 ft (465.4 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-80 WB
CrossesSR405& WB Susquehanna R.
LocationMilton I80WB River Bridge
RouteInterstate 80
Coordinates41.05186, -76.85451
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,527 ft (465.4 m)
Longest span160 ft (48.8 m)
Deck width54 ft (16.5 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,130 (2024)
Projected traffic17,560 by 2032
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$7.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-80 WB over SR405& WB Susquehanna R. built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2001.

What condition is I-80 WB over SR405& WB Susquehanna R. 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 June 2024.

How much traffic does I-80 WB over SR405& WB Susquehanna R. carry?

About 16,130 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is I-80 WB over SR405& WB Susquehanna R.?

The structure is 1,527 ft (465.4 m) long with a longest span of 160 ft (48.8 m) and a deck 54 ft wide.

Who owns I-80 WB over SR405& WB Susquehanna R.?

It is owned by the State Highway Agency.