US Bridges

NE Airport RD over Dawson CR

Fair

Washington County, Oregon · 009 MI East of 264th Ave · Structure no. 20461 090200050

Built
2006
19 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
54
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

NE Airport RD over Dawson CR is a prestressed concrete slab carrying NE Airport RD over Dawson CR in Washington County, Oregon. It was built in 2006, so it is 19 years old, younger than the Oregon average of 49.9 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 54 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2025. The structure is 47 ft (14.4 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNE Airport RD
CrossesDawson CR
Location009 MI East of 264th Ave
RouteCity Street C0902
CountyWashington County
StateOregon
Coordinates45.53816, -122.93599
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span46 ft (14 m)
Deck width60 ft (18.3 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2020)
Projected traffic60 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE Airport RD over Dawson CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is NE Airport RD over Dawson CR 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 July 2024.

How much traffic does NE Airport RD over Dawson CR carry?

About 54 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is NE Airport RD over Dawson CR?

The structure is 47 ft (14.4 m) long with a longest span of 46 ft (14 m) and a deck 60 ft wide.

Who owns NE Airport RD over Dawson CR?

It is owned by the City or Municipal Highway Agency.