US Bridges

8th Street over Tumwater Crk & SR117

Fair

Clallam County, Washington · 0.8 W Lincoln ST (US1010 · Structure no. 087965000000000

Built
2008
17 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
758 ft
5 main spans
Daily traffic
14,212
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th Street over Tumwater Crk & SR117 is a prestressed concrete continuous stringer/multi-beam or girder carrying 8th Street over Tumwater Crk & SR117 in Clallam County, Washington. It was built in 2008, so it is 17 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 14,212 vehicles a day, roughly 5% of them trucks, projected to reach 21,066 by 2041. The structure is 758 ft (231 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries8th Street
CrossesTumwater Crk & SR117
Location0.8 W Lincoln ST (US1010
RouteCity Street 990
Coordinates48.11778, -123.45111
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length758 ft (231 m)
Longest span155 ft (47.2 m)
Deck width49 ft (14.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,212 (2019)
Projected traffic21,066 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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$15.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th Street over Tumwater Crk & SR117 built?

It was built in 2008, making it 17 years old in 2025.

What condition is 8th Street over Tumwater Crk & SR117 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 September 2023.

How much traffic does 8th Street over Tumwater Crk & SR117 carry?

About 14,212 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is 8th Street over Tumwater Crk & SR117?

The structure is 758 ft (231 m) long with a longest span of 155 ft (47.2 m) and a deck 49 ft wide.

Who owns 8th Street over Tumwater Crk & SR117?

It is owned by the City or Municipal Highway Agency.