US Bridges

NE 10th Ave over Whipple Creek

Good

Clark County, Washington · 0.6 N NE 146th · Structure no. 089070000000000

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
452 ft
3 main spans
Daily traffic
950
2019 count
Owner
County
County Highway Agency

About this bridge

NE 10th Ave over Whipple Creek is a steel continuous stringer/multi-beam or girder carrying NE 10th Ave over Whipple Creek in Clark County, Washington. It was built in 2018, so it is 7 years old, younger than the Washington average of 49.8 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 950 vehicles a day, roughly 5% of them trucks, projected to reach 5,400 by 2039. The structure is 452 ft (137.8 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNE 10th Ave
CrossesWhipple Creek
Location0.6 N NE 146th
RouteCounty Highway 41150
Coordinates45.73417, -122.66167
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length452 ft (137.8 m)
Longest span210 ft (64 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2019)
Projected traffic5,400 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$8.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 10th Ave over Whipple Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is NE 10th Ave over Whipple 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 March 2023.

How much traffic does NE 10th Ave over Whipple Creek carry?

About 950 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is NE 10th Ave over Whipple Creek?

The structure is 452 ft (137.8 m) long with a longest span of 210 ft (64 m) and a deck 52 ft wide.

Who owns NE 10th Ave over Whipple Creek?

It is owned by the County Highway Agency.