US Bridges

Smackout Pass RD over Little Muddy Creek

Good

Pend Oreille County, Washington · 2 Mile W/O Ione · Structure no. 089315000000000

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
64 ft
1 main span
Daily traffic
220
2021 count
Owner
County
County Highway Agency

About this bridge

Smackout Pass RD over Little Muddy Creek is a steel girder and floorbeam system carrying Smackout Pass RD over Little Muddy Creek in Pend Oreille County, Washington. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 10% of them trucks, projected to reach 250 by 2041. The structure is 64 ft (19.5 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSmackout Pass RD
CrossesLittle Muddy Creek
Location2 Mile W/O Ione
RouteCounty Highway 27140
Coordinates48.74597, -117.4638
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2021)
Projected traffic250 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Smackout Pass RD over Little Muddy Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Smackout Pass RD over Little Muddy 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 July 2024.

How much traffic does Smackout Pass RD over Little Muddy Creek carry?

About 220 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Smackout Pass RD over Little Muddy Creek?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns Smackout Pass RD over Little Muddy Creek?

It is owned by the County Highway Agency.