US Bridges

I-5 (hwy 1) over UPRR

Fair

Marion County, Oregon · 003 MI S of Salem Ncl · Structure no. 07854C001 25910

Built
1975
50 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
187 ft
4 main spans
Daily traffic
95,098
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 1) over UPRR is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 (hwy 1) over UPRR in Marion County, Oregon. It was built in 1975, so it is 50 years old, older than the Oregon average of 49.9 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 95,098 vehicles a day, roughly 13% of them trucks, projected to reach 98,900 by 2042. The structure is 187 ft (57 m) long and 134 ft wide.

CarriesI-5 (hwy 1)
CrossesUPRR
Location003 MI S of Salem Ncl
RouteInterstate 5
StateOregon
Coordinates44.99014, -122.99812
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length187 ft (57 m)
Longest span58 ft (17.7 m)
Deck width134 ft (40.7 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95,098 (2022)
Projected traffic98,900 by 2042
Trucks13%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 1) over UPRR built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-5 (hwy 1) over UPRR 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 2023.

How much traffic does I-5 (hwy 1) over UPRR carry?

About 95,098 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is I-5 (hwy 1) over UPRR?

The structure is 187 ft (57 m) long with a longest span of 58 ft (17.7 m) and a deck 134 ft wide.

Who owns I-5 (hwy 1) over UPRR?

It is owned by the State Highway Agency.