US Bridges

US 101 over Ten Oclock Creek

Good

Grays Harbor County, Washington · 45.1 N JCT SR 109 · Structure no. 0005777A0000000

Built
1958
67 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
1,139
2023 count
Owner
State
State Highway Agency

About this bridge

US 101 over Ten Oclock Creek is a concrete continuous slab carrying US 101 over Ten Oclock Creek in Grays Harbor County, Washington. It was built in 1958, so it is 67 years old, older 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 1,139 vehicles a day, roughly 23% of them trucks, projected to reach 1,503 by 2039. The structure is 81 ft (24.7 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 101
CrossesTen Oclock Creek
Location45.1 N JCT SR 109
RouteU.S. Route 101
Coordinates47.4771, -123.99714
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span31 ft (9.4 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,139 (2023)
Projected traffic1,503 by 2039
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 101 over Ten Oclock Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 101 over Ten Oclock Creek 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 August 2023.

How much traffic does US 101 over Ten Oclock Creek carry?

About 1,139 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US 101 over Ten Oclock Creek?

The structure is 81 ft (24.7 m) long with a longest span of 31 ft (9.4 m) and a deck 43 ft wide.

Who owns US 101 over Ten Oclock Creek?

It is owned by the State Highway Agency.