US Bridges

NE Blair RD over Little Washougal

Fair

Clark County, Washington · 0.0 JCT NE Zeek RD · Structure no. 083357000000000

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
96 ft
1 main span
Daily traffic
2,792
2023 count
Owner
County
County Highway Agency

About this bridge

NE Blair RD over Little Washougal is a concrete stringer/multi-beam or girder carrying NE Blair RD over Little Washougal in Clark County, Washington. It was built in 1961, so it is 64 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 2,792 vehicles a day, roughly 18% of them trucks, projected to reach 5,295 by 2044. The structure is 96 ft (29.3 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNE Blair RD
CrossesLittle Washougal
Location0.0 JCT NE Zeek RD
RouteCounty Highway 93450
Coordinates45.63122, -122.37757
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.6 US tons
Inventory rating25.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,792 (2023)
Projected traffic5,295 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE Blair RD over Little Washougal built?

It was built in 1961, making it 64 years old in 2025.

What condition is NE Blair RD over Little Washougal 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 October 2024.

How much traffic does NE Blair RD over Little Washougal carry?

About 2,792 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is NE Blair RD over Little Washougal?

The structure is 96 ft (29.3 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns NE Blair RD over Little Washougal?

It is owned by the County Highway Agency.