US Bridges

I-205 W-N Ramp over I-205 N-W Ramp

Good

Clark County, Washington · 1.4 N JCT SR 14 · Structure no. 0017522A0000000

Built
2009
16 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,056 ft
5 main spans
Daily traffic
13,960
2023 count
Owner
State
State Highway Agency

About this bridge

I-205 W-N Ramp over I-205 N-W Ramp is a prestressed concrete continuous box beam or girders - multiple carrying I-205 W-N Ramp over I-205 N-W Ramp in Clark County, Washington. It was built in 2009, so it is 16 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 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 13,960 vehicles a day, roughly 8% of them trucks, projected to reach 21,505 by 2039. The structure is 1,056 ft (321.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-205 W-N Ramp
CrossesI-205 N-W Ramp
Location1.4 N JCT SR 14
RouteInterstate 205
CountyClark County
StateWashington
Coordinates45.62243, -122.55762
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+2 approach)
Design loadHL 93
Structure length1,056 ft (321.9 m)
Longest span224 ft (68.3 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,960 (2023)
Projected traffic21,505 by 2039
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$14.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-205 W-N Ramp over I-205 N-W Ramp built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-205 W-N Ramp over I-205 N-W Ramp 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 May 2024.

How much traffic does I-205 W-N Ramp over I-205 N-W Ramp carry?

About 13,960 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-205 W-N Ramp over I-205 N-W Ramp?

The structure is 1,056 ft (321.9 m) long with a longest span of 224 ft (68.3 m) and a deck 31 ft wide.

Who owns I-205 W-N Ramp over I-205 N-W Ramp?

It is owned by the State Highway Agency.