US Bridges

NW 39th Street over Bnrr Main Line & RY

Good

Clark County, Washington · NW 39th Street · Structure no. 088236000000000

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
742 ft
3 main spans
Daily traffic
4,679
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 39th Street over Bnrr Main Line & RY is a concrete stringer/multi-beam or girder carrying NW 39th Street over Bnrr Main Line & RY in Clark County, Washington. It was built in 2010, so it is 15 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 4,679 vehicles a day, roughly 1% of them trucks, projected to reach 6,000 by 2036. The structure is 742 ft (226.2 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW 39th Street
CrossesBnrr Main Line & RY
LocationNW 39th Street
RouteCity Street 38
Coordinates45.65014, -122.68827
Functional classUrban Minor Arterial

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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHL 93
Structure length742 ft (226.2 m)
Longest span178 ft (54.3 m)
Deck width40 ft (12.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,679 (2021)
Projected traffic6,000 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$27.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 39th Street over Bnrr Main Line & RY built?

It was built in 2010, making it 15 years old in 2025.

What condition is NW 39th Street over Bnrr Main Line & RY 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 December 2024.

How much traffic does NW 39th Street over Bnrr Main Line & RY carry?

About 4,679 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is NW 39th Street over Bnrr Main Line & RY?

The structure is 742 ft (226.2 m) long with a longest span of 178 ft (54.3 m) and a deck 40 ft wide.

Who owns NW 39th Street over Bnrr Main Line & RY?

It is owned by the City or Municipal Highway Agency.