US Bridges

Wallis Road over South Fork Deadman Creek

Good

Spokane County, Washington · 1 MI E of SR 206 · Structure no. 089259000000000

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
35 ft
1 main span
Daily traffic
24
2020 count
Owner
County
County Highway Agency

About this bridge

Wallis Road over South Fork Deadman Creek is a steel girder and floorbeam system carrying Wallis Road over South Fork Deadman Creek in Spokane County, Washington. It was built in 2021, so it is 4 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 24 vehicles a day, roughly 17% of them trucks, projected to reach 34 by 2042. The structure is 35 ft (10.7 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWallis Road
CrossesSouth Fork Deadman Creek
Location1 MI E of SR 206
RouteCounty Highway 5206
Coordinates47.84978, -117.15044
Functional classRural Minor 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 stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2020)
Projected traffic34 by 2042
Trucks17%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$382,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wallis Road over South Fork Deadman Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Wallis Road over South Fork Deadman 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 Wallis Road over South Fork Deadman Creek carry?

About 24 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Wallis Road over South Fork Deadman Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 23 ft wide.

Who owns Wallis Road over South Fork Deadman Creek?

It is owned by the County Highway Agency.