US Bridges

S 41st ST over Selah-Moxee Canal

Good

Yakima County, Washington · 0.04 S Terrace Hgts · Structure no. 087934000000000

Built
1969
56 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
3,000
2023 count
Owner
County
County Highway Agency

About this bridge

S 41st ST over Selah-Moxee Canal is a concrete slab carrying S 41st ST over Selah-Moxee Canal in Yakima County, Washington. It was built in 1969, so it is 56 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,303 by 2039. The structure is 29 ft (8.8 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS 41st ST
CrossesSelah-Moxee Canal
Location0.04 S Terrace Hgts
RouteCounty Highway 40410
Coordinates46.6058, -120.44585
Functional classUrban Collector

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 inspectionDecember 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 rating53.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,303 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S 41st ST over Selah-Moxee Canal built?

It was built in 1969, making it 56 years old in 2025.

What condition is S 41st ST over Selah-Moxee Canal 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 December 2023.

How much traffic does S 41st ST over Selah-Moxee Canal carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S 41st ST over Selah-Moxee Canal?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 40 ft wide.

Who owns S 41st ST over Selah-Moxee Canal?

It is owned by the County Highway Agency.