US Bridges

Forker Road over Drainage

Good

Spokane County, Washington · 0.3 MI E of HWY 206 · Structure no. 089253000000000

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
35 ft
1 main span
Daily traffic
885
2021 count
Owner
County
County Highway Agency

About this bridge

Forker Road over Drainage is a steel girder and floorbeam system carrying Forker Road over Drainage 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 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 885 vehicles a day, roughly 19% of them trucks, projected to reach 1,080 by 2041. The structure is 35 ft (10.7 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesForker Road
CrossesDrainage
Location0.3 MI E of HWY 206
RouteCounty Highway 1349
CountySpokane County
StateWashington
Coordinates47.8021, -117.20966
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.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum 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 rating53.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic885 (2021)
Projected traffic1,080 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$499,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Forker Road over Drainage built?

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

What condition is Forker Road over Drainage 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 Forker Road over Drainage carry?

About 885 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is Forker Road over Drainage?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns Forker Road over Drainage?

It is owned by the County Highway Agency.