US Bridges

NB SR 16 Spur over SB SR 16

Good

Kitsap County, Washington · JCT SR 3 · Structure no. 0013166B0000000

Built
1988
37 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
791 ft
5 main spans
Daily traffic
5,766
2023 count
Owner
State
State Highway Agency

About this bridge

NB SR 16 Spur over SB SR 16 is a steel continuous stringer/multi-beam or girder carrying NB SR 16 Spur over SB 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 5,766 vehicles a day, roughly 8% of them trucks, projected to reach 6,913 by 2039. The structure is 791 ft (241.1 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNB SR 16 Spur
CrossesSB SR 16
LocationJCT SR 3
RouteState Highway 16
Coordinates47.52492, -122.69731
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length791 ft (241.1 m)
Longest span175 ft (53.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,766 (2023)
Projected traffic6,913 by 2039
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
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$11.3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB SR 16 Spur over SB SR 16 built?

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

What condition is NB SR 16 Spur over SB 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 March 2024.

How much traffic does NB SR 16 Spur over SB SR 16 carry?

About 5,766 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NB SR 16 Spur over SB SR 16?

The structure is 791 ft (241.1 m) long with a longest span of 175 ft (53.3 m) and a deck 31 ft wide.

Who owns NB SR 16 Spur over SB SR 16?

It is owned by the State Highway Agency.