US Bridges

I-5 (hwy 001) over Mckenzie Oflow

Good

Lane County, Oregon · 040 MI N of Eugene Ncl · Structure no. 08176A001 19707

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel Continuous
Length
26 ft
3 main spans
Daily traffic
46,473
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) over Mckenzie Oflow is a steel continuous culvert carrying I-5 (hwy 001) over Mckenzie Oflow in Lane County, Oregon. It was built in 1987, so it is 38 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 46,473 vehicles a day, roughly 25% of them trucks, projected to reach 61,200 by 2042. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesI-5 (hwy 001)
CrossesMckenzie Oflow
Location040 MI N of Eugene Ncl
RouteInterstate 5
StateOregon
Coordinates44.10812, -123.04467
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,473 (2022)
Projected traffic61,200 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed8.7 mi (14 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) over Mckenzie Oflow built?

It was built in 1987, making it 38 years old in 2025.

What condition is I-5 (hwy 001) over Mckenzie Oflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does I-5 (hwy 001) over Mckenzie Oflow carry?

About 46,473 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-5 (hwy 001) over Mckenzie Oflow?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2.1 m).

Who owns I-5 (hwy 001) over Mckenzie Oflow?

It is owned by the State Highway Agency.