US Bridges

SR 14 W-N Ramp over I-5 N-W Ramp

Good

Clark County, Washington · 0.1 E JCT I-5 · Structure no. 0012156G0000000

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
15,152
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 W-N Ramp over I-5 N-W Ramp is a prestressed concrete box beam or girders - multiple carrying SR 14 W-N Ramp over I-5 N-W Ramp in Clark County, Washington. It was built in 1982, so it is 43 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 15,152 vehicles a day, roughly 7% of them trucks, projected to reach 24,193 by 2039. The structure is 112 ft (34.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 14 W-N Ramp
CrossesI-5 N-W Ramp
Location0.1 E JCT I-5
RouteState Highway 14
Coordinates45.6227, -122.66947
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length112 ft (34.1 m)
Longest span107 ft (32.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,152 (2023)
Projected traffic24,193 by 2039
Trucks7%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 14 W-N Ramp over I-5 N-W Ramp built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR 14 W-N Ramp over I-5 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 October 2023.

How much traffic does SR 14 W-N Ramp over I-5 N-W Ramp carry?

About 15,152 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 14 W-N Ramp over I-5 N-W Ramp?

The structure is 112 ft (34.1 m) long with a longest span of 107 ft (32.6 m) and a deck 29 ft wide.

Who owns SR 14 W-N Ramp over I-5 N-W Ramp?

It is owned by the State Highway Agency.