US Bridges

16th ST NE over Catherine Creek

Good

Snohomish County, Washington · 1.9 S JCT SR 92 · Structure no. 086276000000000

Built
1998
27 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
70 ft
1 main span
Daily traffic
1,285
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th ST NE over Catherine Creek is a concrete stringer/multi-beam or girder carrying 16th ST NE over Catherine Creek in Snohomish County, Washington. It was built in 1998, so it is 27 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 1,285 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2045. The structure is 70 ft (21.3 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries16th ST NE
CrossesCatherine Creek
Location1.9 S JCT SR 92
RouteCity Street 43600
Coordinates48.01176, -122.0528
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.8 US tons
Inventory rating60.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span65 ft (19.9 m)
Deck width48 ft (14.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,285 (2023)
Projected traffic2,500 by 2045
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 16th ST NE over Catherine Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 16th ST NE over Catherine 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 October 2023.

How much traffic does 16th ST NE over Catherine Creek carry?

About 1,285 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 16th ST NE over Catherine Creek?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.9 m) and a deck 48 ft wide.

Who owns 16th ST NE over Catherine Creek?

It is owned by the City or Municipal Highway Agency.