US Bridges

SR 117 NB over US 101

Fair

Clallam County, Washington · JCT US 101 · Structure no. 0005115A0000000

Built
1956
69 years old
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
1,225
2023 count
Owner
State
State Highway Agency

About this bridge

SR 117 NB over US 101 is a concrete continuous girder and floorbeam system carrying SR 117 NB over US 101 in Clallam 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 1,225 vehicles a day, roughly 22% of them trucks, projected to reach 1,517 by 2039. The structure is 128 ft (39 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 117 NB
CrossesUS 101
LocationJCT US 101
RouteState Highway 117
CountyClallam County
StateWashington
Coordinates48.10658, -123.46261
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length128 ft (39 m)
Longest span51 ft (15.5 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,225 (2023)
Projected traffic1,517 by 2039
Trucks22%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$1.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 117 NB over US 101 built?

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

What condition is SR 117 NB over US 101 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 March 2023.

How much traffic does SR 117 NB over US 101 carry?

About 1,225 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is SR 117 NB over US 101?

The structure is 128 ft (39 m) long with a longest span of 51 ft (15.5 m) and a deck 23 ft wide.

Who owns SR 117 NB over US 101?

It is owned by the State Highway Agency.