US Bridges

I-5 (hwy 001) over I-5 @ Sterns Lane

Fair

Douglas County, Oregon · 02.7MI N of Sutherlin Ncl · Structure no. 20240 001 13860

Built
2006
19 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
23,887
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) over I-5 @ Sterns Lane is a prestressed concrete slab carrying I-5 (hwy 001) over I-5 @ Sterns Lane in Douglas County, Oregon. It was built in 2006, so it is 19 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 23,887 vehicles a day, roughly 25% of them trucks, projected to reach 26,600 by 2042. The structure is 60 ft (18.3 m) long and 93 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesI-5 (hwy 001)
CrossesI-5 @ Sterns Lane
Location02.7MI N of Sutherlin Ncl
RouteInterstate 5
StateOregon
Coordinates43.41463, -123.32648
Functional classRural 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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating73.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width93 ft (28.3 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,887 (2022)
Projected traffic26,600 by 2042
Trucks25%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18.6 mi (30 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) over I-5 @ Sterns Lane built?

It was built in 2006, making it 19 years old in 2025.

What condition is I-5 (hwy 001) over I-5 @ Sterns Lane 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 February 2023.

How much traffic does I-5 (hwy 001) over I-5 @ Sterns Lane carry?

About 23,887 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-5 (hwy 001) over I-5 @ Sterns Lane?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 93 ft wide.

Who owns I-5 (hwy 001) over I-5 @ Sterns Lane?

It is owned by the State Highway Agency.