US Bridges

I-5 (hwy 001) over Boomer Hill RD

Good

Douglas County, Oregon · 11.2 MI N of Canyonville · Structure no. 20717 001 11035

Built
2008
17 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
28,560
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) over Boomer Hill RD is a prestressed concrete slab carrying I-5 (hwy 001) over Boomer Hill RD in Douglas 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,560 vehicles a day, roughly 27% of them trucks, projected to reach 29,900 by 2042. The structure is 84 ft (25.6 m) long and 99 ft wide.

Location

Open in Google Maps
CarriesI-5 (hwy 001)
CrossesBoomer Hill RD
Location11.2 MI N of Canyonville
RouteInterstate 5
CountyDouglas County
StateOregon
Coordinates43.03783, -123.33273
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating64.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span84 ft (25.6 m)
Deck width99 ft (30.2 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,560 (2022)
Projected traffic29,900 by 2042
Trucks27%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 001) over Boomer Hill RD built?

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

What condition is I-5 (hwy 001) over Boomer Hill RD 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 January 2025.

How much traffic does I-5 (hwy 001) over Boomer Hill RD carry?

About 28,560 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I-5 (hwy 001) over Boomer Hill RD?

The structure is 84 ft (25.6 m) long with a longest span of 84 ft (25.6 m) and a deck 99 ft wide.

Who owns I-5 (hwy 001) over Boomer Hill RD?

It is owned by the State Highway Agency.