US Bridges

US 12 over N Fk Clear Creek

Good

Yakima County, Washington · 2.3 E Lewis CO · Structure no. 0003105A0000000

Built
1946
79 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
1,916
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over N Fk Clear Creek is a concrete continuous tee beam carrying US 12 over N Fk Clear Creek in Yakima County, Washington. It was built in 1946, so it is 79 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 1,916 vehicles a day, roughly 22% of them trucks, projected to reach 2,112 by 2039. The structure is 114 ft (34.7 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS 12
CrossesN Fk Clear Creek
Location2.3 E Lewis CO
RouteU.S. Route 12
Coordinates46.65617, -121.35536
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length114 ft (34.7 m)
Longest span66 ft (20.1 m)
Deck width34 ft (10.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,916 (2023)
Projected traffic2,112 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 over N Fk Clear Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is US 12 over N Fk Clear 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 October 2023.

How much traffic does US 12 over N Fk Clear Creek carry?

About 1,916 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 12 over N Fk Clear Creek?

The structure is 114 ft (34.7 m) long with a longest span of 66 ft (20.1 m) and a deck 34 ft wide.

Who owns US 12 over N Fk Clear Creek?

It is owned by the State Highway Agency.