US Bridges

SR 16 Northbound over SR 166

Fair

Kitsap County, Washington · 9.8 N Pierce CO · Structure no. 0005237A0000000

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
234 ft
3 main spans
Daily traffic
30,756
2023 count
Owner
State
State Highway Agency

About this bridge

SR 16 Northbound over SR 166 is a concrete continuous box beam or girders - multiple carrying SR 16 Northbound over SR 166 in Kitsap County, Washington. It was built in 1956, so it is 69 years old, older than the Washington average of 49.8 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 30,756 vehicles a day, roughly 5% of them trucks, projected to reach 38,678 by 2039. The structure is 234 ft (71.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 16 Northbound
CrossesSR 166
Location9.8 N Pierce CO
RouteState Highway 16
Coordinates47.52817, -122.6775
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span85 ft (25.9 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,756 (2023)
Projected traffic38,678 by 2039
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$4.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 16 Northbound over SR 166 built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 16 Northbound over SR 166 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 August 2023.

How much traffic does SR 16 Northbound over SR 166 carry?

About 30,756 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 16 Northbound over SR 166?

The structure is 234 ft (71.3 m) long with a longest span of 85 ft (25.9 m) and a deck 34 ft wide.

Who owns SR 16 Northbound over SR 166?

It is owned by the State Highway Agency.