US Bridges

NE 88th Street over Fifth Plain Creek

Good

Clark County, Washington · 0.5 MI E. of NE Ward ST · Structure no. 088820000000000

Built
2016
9 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete
Length
81 ft
1 main span
Daily traffic
839
2020 count
Owner
County
County Highway Agency

About this bridge

NE 88th Street over Fifth Plain Creek is a concrete slab carrying NE 88th Street over Fifth Plain Creek in Clark County, Washington. It was built in 2016, so it is 9 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 839 vehicles a day, roughly 9% of them trucks, projected to reach 2,706 by 2042. The structure is 81 ft (24.7 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNE 88th Street
CrossesFifth Plain Creek
Location0.5 MI E. of NE Ward ST
RouteCounty Highway 52880
Coordinates45.68654, -122.49293
Functional classRural Minor Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating62.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length81 ft (24.7 m)
Longest span70 ft (21.3 m)
Deck width50 ft (15.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic839 (2020)
Projected traffic2,706 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$810,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 88th Street over Fifth Plain Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is NE 88th Street over Fifth Plain Creek 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 January 2024.

How much traffic does NE 88th Street over Fifth Plain Creek carry?

About 839 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is NE 88th Street over Fifth Plain Creek?

The structure is 81 ft (24.7 m) long with a longest span of 70 ft (21.3 m) and a deck 50 ft wide.

Who owns NE 88th Street over Fifth Plain Creek?

It is owned by the County Highway Agency.