US Bridges

Tumwater Street over Third Street

Fair

Clallam County, Washington · 0.7 W Downtown · Structure no. 085033000000000

Built
1980
45 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
360 ft
5 main spans
Daily traffic
4,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tumwater Street over Third Street is a prestressed concrete tee beam carrying Tumwater Street over Third Street in Clallam County, Washington. It was built in 1980, so it is 45 years old, younger 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 5 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 4,300 vehicles a day, roughly 3% of them trucks, projected to reach 6,470 by 2040. The structure is 360 ft (109.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTumwater Street
CrossesThird Street
Location0.7 W Downtown
RouteCity Street 990
Coordinates48.12203, -123.4473
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans5
Design loadUnknown
Structure length360 ft (109.7 m)
Longest span87 ft (26.5 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic6,470 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tumwater Street over Third Street built?

It was built in 1980, making it 45 years old in 2025.

What condition is Tumwater Street over Third Street 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 February 2023.

How much traffic does Tumwater Street over Third Street carry?

About 4,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tumwater Street over Third Street?

The structure is 360 ft (109.7 m) long with a longest span of 87 ft (26.5 m) and a deck 39 ft wide.

Who owns Tumwater Street over Third Street?

It is owned by the City or Municipal Highway Agency.