US Bridges

SR 3 NB over SR 16

Good

Kitsap County, Washington · 6.2 N Mason CO · Structure no. 0013166C0000000

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,347 ft
7 main spans
Daily traffic
11,713
2023 count
Owner
State
State Highway Agency

About this bridge

SR 3 NB over SR 16 is a steel continuous stringer/multi-beam or girder carrying SR 3 NB over SR 16 in Kitsap County, Washington. It was built in 1988, so it is 37 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 11,713 vehicles a day, roughly 6% of them trucks, projected to reach 14,422 by 2039. The structure is 1,347 ft (410.6 m) long and 30 ft wide.

Location

Open in Google Maps
CarriesSR 3 NB
CrossesSR 16
Location6.2 N Mason CO
RouteState Highway 3
CountyKitsap County
StateWashington
Coordinates47.5268, -122.70166
Functional classUrban Other Principal 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+5 approach)
Design loadHS 20 + Mod
Structure length1,347 ft (410.6 m)
Longest span175 ft (53.3 m)
Deck width30 ft (9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,713 (2023)
Projected traffic14,422 by 2039
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$19.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 3 NB over SR 16 built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 3 NB over SR 16 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 SR 3 NB over SR 16 carry?

About 11,713 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 3 NB over SR 16?

The structure is 1,347 ft (410.6 m) long with a longest span of 175 ft (53.3 m) and a deck 30 ft wide.

Who owns SR 3 NB over SR 16?

It is owned by the State Highway Agency.