US Bridges

I-205 over E-N Ramp

Good

Clark County, Washington · 0.5 N Oregon · Structure no. 0009857D0000000

Built
1976
49 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
51,099
2023 count
Owner
State
State Highway Agency

About this bridge

I-205 over E-N Ramp is a concrete slab carrying I-205 over E-N Ramp in Clark County, Washington. It was built in 1976, so it is 49 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 51,099 vehicles a day, roughly 7% of them trucks, projected to reach 77,194 by 2039. The structure is 38 ft (11.6 m) long and 138 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-205
CrossesE-N Ramp
Location0.5 N Oregon
RouteInterstate 205
CountyClark County
StateWashington
Coordinates45.60631, -122.55219
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 rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width138 ft (42 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,099 (2023)
Projected traffic77,194 by 2039
Trucks7%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1976, making it 49 years old in 2025.

What condition is I-205 over E-N 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 over E-N Ramp carry?

About 51,099 vehicles per day (2023 count), of which roughly 7% are trucks.

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

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 138 ft wide.

Who owns I-205 over E-N Ramp?

It is owned by the State Highway Agency.