US Bridges

NE 142nd Ave over Salmon Creek

Fair

Clark County, Washington · 0.7N NE159 ST · Structure no. 081712000000000

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
58 ft
2 main spans
Daily traffic
3,093
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE 142nd Ave over Salmon Creek is a concrete stringer/multi-beam or girder carrying NE 142nd Ave over Salmon Creek in Clark County, Washington. It was built in 1958, so it is 67 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,093 vehicles a day, roughly 9% of them trucks, projected to reach 5,888 by 2041. The structure is 58 ft (17.7 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNE 142nd Ave
CrossesSalmon Creek
Location0.7N NE159 ST
RouteCounty Highway 51650
CountyClark County
StateWashington
Coordinates45.74893, -122.52685
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,093 (2018)
Projected traffic5,888 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 142nd Ave over Salmon Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is NE 142nd Ave over Salmon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does NE 142nd Ave over Salmon Creek carry?

About 3,093 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is NE 142nd Ave over Salmon Creek?

The structure is 58 ft (17.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns NE 142nd Ave over Salmon Creek?

It is owned by the City or Municipal Highway Agency.