US Bridges

US 101 over Morse Creek

Fair

Clallam County, Washington · 5.9 E JCT SR 117 · Structure no. 0008312A0000000

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
188 ft
3 main spans
Daily traffic
25,787
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Morse Creek is a concrete continuous box beam or girders - multiple carrying US 101 over Morse Creek in Clallam County, Washington. It was built in 1968, so it is 57 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 25,787 vehicles a day, roughly 4% of them trucks, projected to reach 32,233 by 2039. The structure is 188 ft (57.3 m) long and 82 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 101
CrossesMorse Creek
Location5.9 E JCT SR 117
RouteU.S. Route 101
Coordinates48.1037, -123.35738
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating63.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span74 ft (22.6 m)
Deck width82 ft (25 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,787 (2023)
Projected traffic32,233 by 2039
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$7.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Morse Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 101 over Morse Creek 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 US 101 over Morse Creek carry?

About 25,787 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 101 over Morse Creek?

The structure is 188 ft (57.3 m) long with a longest span of 74 ft (22.6 m) and a deck 82 ft wide.

Who owns US 101 over Morse Creek?

It is owned by the State Highway Agency.