US Bridges

US 12 over Indian Creek

Fair

Yakima County, Washington · 7.9 E Lewis CO · Structure no. 0002513A0000000

Built
1939
86 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
139 ft
3 main spans
Daily traffic
1,944
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 over Indian Creek is a concrete continuous tee beam carrying US 12 over Indian Creek in Yakima County, Washington. It was built in 1939, so it is 86 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 1,944 vehicles a day, roughly 25% of them trucks, projected to reach 2,233 by 2039. The structure is 139 ft (42.4 m) long and 30 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesUS 12
CrossesIndian Creek
Location7.9 E Lewis CO
RouteU.S. Route 12
Coordinates46.64512, -121.25083
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length139 ft (42.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,944 (2023)
Projected traffic2,233 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.7 mi (35 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$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 over Indian Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is US 12 over Indian 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 March 2024.

How much traffic does US 12 over Indian Creek carry?

About 1,944 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is US 12 over Indian Creek?

The structure is 139 ft (42.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns US 12 over Indian Creek?

It is owned by the State Highway Agency.