US Bridges

SR 20 over Puget Snd @ Pt Townsend

Good

Jefferson County, Washington · 12.9 E JCT US 101 · Structure no. 0012274C0000000

Built
1982
43 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete
Length
344 ft
16 main spans
Daily traffic
1,863
2010 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Puget Snd @ Pt Townsend is a concrete slab carrying SR 20 over Puget Snd @ Pt Townsend in Jefferson County, Washington. It was built in 1982, so it is 43 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 1,863 vehicles a day, roughly 2% of them trucks, projected to reach 3,268 by 2036. The structure is 344 ft (104.9 m) long and 84 ft wide. If it were closed, the detour would be 83.3 mi (134 km).

CarriesSR 20
CrossesPuget Snd @ Pt Townsend
Location12.9 E JCT US 101
RouteState Highway 20
Coordinates48.11203, -122.76036
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans16
Design loadHS 20
Structure length344 ft (104.9 m)
Longest span20 ft (6.1 m)
Deck width84 ft (25.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,863 (2010)
Projected traffic3,268 by 2036
Trucks2%
Lanes on structure4
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed83.3 mi (134 km)
TollToll bridge
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$9.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 20 over Puget Snd @ Pt Townsend built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR 20 over Puget Snd @ Pt Townsend 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 June 2023.

How much traffic does SR 20 over Puget Snd @ Pt Townsend carry?

About 1,863 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is SR 20 over Puget Snd @ Pt Townsend?

The structure is 344 ft (104.9 m) long with a longest span of 20 ft (6.1 m) and a deck 84 ft wide.

Who owns SR 20 over Puget Snd @ Pt Townsend?

It is owned by the State Highway Agency.