US Bridges

NE 134th ST over I-5 Ramps

Good

Clark County, Washington · 5.0 N JCT SR 500 · Structure no. 0014323A0000000

Built
1994
31 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
20,950
2019 count
Owner
State
State Highway Agency

About this bridge

NE 134th ST over I-5 Ramps is a prestressed concrete continuous box beam or girders - multiple carrying NE 134th ST over I-5 Ramps in Clark County, Washington. It was built in 1994, so it is 31 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 20,950 vehicles a day, roughly 9% of them trucks, projected to reach 33,665 by 2039. The structure is 212 ft (64.6 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNE 134th ST
CrossesI-5 Ramps
Location5.0 N JCT SR 500
RouteCounty Highway 0
Coordinates45.71825, -122.65536
Functional classUrban Minor Arterial

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length212 ft (64.6 m)
Longest span104 ft (31.7 m)
Deck width81 ft (24.6 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,950 (2019)
Projected traffic33,665 by 2039
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$6.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 134th ST over I-5 Ramps built?

It was built in 1994, making it 31 years old in 2025.

What condition is NE 134th ST over I-5 Ramps 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 November 2023.

How much traffic does NE 134th ST over I-5 Ramps carry?

About 20,950 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is NE 134th ST over I-5 Ramps?

The structure is 212 ft (64.6 m) long with a longest span of 104 ft (31.7 m) and a deck 81 ft wide.

Who owns NE 134th ST over I-5 Ramps?

It is owned by the State Highway Agency.