US Bridges

NE 69th Ave over Rock Creek

Good

Washington County, Oregon · 005 MI W 216th Ave · Structure no. 23295 000 00000

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
563
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 69th Ave over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying NE 69th Ave over Rock Creek in Washington County, Oregon. It was built in 2020, so it is 5 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 563 vehicles a day, roughly 2% of them trucks, projected to reach 1,093 by 2030. The structure is 115 ft (35.2 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNE 69th Ave
CrossesRock Creek
Location005 MI W 216th Ave
RouteCounty Highway C1445
StateOregon
Coordinates45.52344, -122.90928
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length115 ft (35.2 m)
Longest span112 ft (34.1 m)
Deck width48 ft (14.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic563 (2010)
Projected traffic1,093 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 NE 69th Ave over Rock Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is NE 69th Ave over Rock 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 NE 69th Ave over Rock Creek carry?

About 563 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is NE 69th Ave over Rock Creek?

The structure is 115 ft (35.2 m) long with a longest span of 112 ft (34.1 m) and a deck 48 ft wide.

Who owns NE 69th Ave over Rock Creek?

It is owned by the City or Municipal Highway Agency.