US Bridges

Rainbow RD over Eagle Creek

Good

Clackamas County, Oregon · 02.3 MI S of Smith RD · Structure no. 18853 467 00210

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
65
2020 count
Owner
County
County Highway Agency

About this bridge

Rainbow RD over Eagle Creek is a prestressed concrete box beam or girders - multiple carrying Rainbow RD over Eagle Creek in Clackamas County, Oregon. It was built in 2001, so it is 24 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2025. The structure is 78 ft (23.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRainbow RD
CrossesEagle Creek
Location02.3 MI S of Smith RD
RouteCounty Highway C0467
StateOregon
Coordinates45.27617, -122.20436
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length78 ft (23.8 m)
Longest span77 ft (23.5 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2020)
Projected traffic70 by 2025
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Rainbow RD over Eagle Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Rainbow RD over Eagle Creek 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 July 2024.

How much traffic does Rainbow RD over Eagle Creek carry?

About 65 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Rainbow RD over Eagle Creek?

The structure is 78 ft (23.8 m) long with a longest span of 77 ft (23.5 m) and a deck 16 ft wide.

Who owns Rainbow RD over Eagle Creek?

It is owned by the County Highway Agency.