US Bridges

I-5 (hwy 001) SB over Mckenzie R & Front RD

Fair

Lane County, Oregon · 044 MI N of Eugene Ncl · Structure no. 20598 001 19740

Built
2008
17 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
790 ft
6 main spans
Daily traffic
20,715
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) SB over Mckenzie R & Front RD is a prestressed concrete continuous stringer/multi-beam or girder carrying I-5 (hwy 001) SB over Mckenzie R & Front RD in Lane County, Oregon. It was built in 2008, so it is 17 years old, younger 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 20,715 vehicles a day, roughly 25% of them trucks, projected to reach 23,000 by 2042. The structure is 790 ft (240.8 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 001) SB
CrossesMckenzie R & Front RD
Location044 MI N of Eugene Ncl
RouteInterstate 5
CountyLane County
StateOregon
Coordinates44.11198, -123.04567
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length790 ft (240.8 m)
Longest span180 ft (54.9 m)
Deck width63 ft (19.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,715 (2022)
Projected traffic23,000 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-5 (hwy 001) SB over Mckenzie R & Front RD built?

It was built in 2008, making it 17 years old in 2025.

What condition is I-5 (hwy 001) SB over Mckenzie R & Front RD 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 March 2023.

How much traffic does I-5 (hwy 001) SB over Mckenzie R & Front RD carry?

About 20,715 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-5 (hwy 001) SB over Mckenzie R & Front RD?

The structure is 790 ft (240.8 m) long with a longest span of 180 ft (54.9 m) and a deck 63 ft wide.

Who owns I-5 (hwy 001) SB over Mckenzie R & Front RD?

It is owned by the State Highway Agency.