US Bridges

I-5 (hwy 001) NB over Wilbur-Umpqua RD

Fair

Douglas County, Oregon · I-5 (hwy 001) NB · Structure no. 20337 001 13200

Built
2006
19 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
16,874
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) NB over Wilbur-Umpqua RD is a prestressed concrete slab carrying I-5 (hwy 001) NB over Wilbur-Umpqua RD 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 16,874 vehicles a day, roughly 20% of them trucks, projected to reach 17,600 by 2042. The structure is 80 ft (24.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 001) NB
CrossesWilbur-Umpqua RD
LocationI-5 (hwy 001) NB
RouteInterstate 5
CountyDouglas County
StateOregon
Coordinates43.32517, -123.34328
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating62.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,874 (2022)
Projected traffic17,600 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) NB over Wilbur-Umpqua RD built?

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

What condition is I-5 (hwy 001) NB over Wilbur-Umpqua 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 February 2023.

How much traffic does I-5 (hwy 001) NB over Wilbur-Umpqua RD carry?

About 16,874 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is I-5 (hwy 001) NB over Wilbur-Umpqua RD?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 45 ft wide.

Who owns I-5 (hwy 001) NB over Wilbur-Umpqua RD?

It is owned by the State Highway Agency.