US Bridges

NW LA Center RD over I-5

Good

Clark County, Washington · 2.6 N JCT SR 501 · Structure no. 002005130000000

Built
2017
8 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
287 ft
2 main spans
Daily traffic
3,700
2015 count
Owner
State
State Highway Agency

About this bridge

NW LA Center RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying NW LA Center RD over I-5 in Clark County, Washington. It was built in 2017, so it is 8 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 3,700 vehicles a day, roughly 1% of them trucks, projected to reach 6,089 by 2036. The structure is 287 ft (87.5 m) long and 98 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNW LA Center RD
CrossesI-5
Location2.6 N JCT SR 501
RouteCounty Highway 0
CountyClark County
StateWashington
Coordinates45.85172, -122.70322
Functional classRural Major 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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating58.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length287 ft (87.5 m)
Longest span136 ft (41.5 m)
Deck width98 ft (29.8 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2015)
Projected traffic6,089 by 2036
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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$9.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW LA Center RD over I-5 built?

It was built in 2017, making it 8 years old in 2025.

What condition is NW LA Center RD over I-5 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 2023.

How much traffic does NW LA Center RD over I-5 carry?

About 3,700 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is NW LA Center RD over I-5?

The structure is 287 ft (87.5 m) long with a longest span of 136 ft (41.5 m) and a deck 98 ft wide.

Who owns NW LA Center RD over I-5?

It is owned by the State Highway Agency.