US Bridges

Mcfarlane Road over N Fork Deep Creek

Fair

Spokane County, Washington · 0.3 E S. Coulee-Hite RD · Structure no. 084453000000000

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
2
2020 count
Owner
County
County Highway Agency

About this bridge

Mcfarlane Road over N Fork Deep Creek is a steel stringer/multi-beam or girder carrying Mcfarlane Road over N Fork Deep Creek in Spokane County, Washington. It was built in 1961, so it is 64 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 5 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 2 vehicles a day, roughly 50% of them trucks, projected to reach 3 by 2042. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesMcfarlane Road
CrossesN Fork Deep Creek
Location0.3 E S. Coulee-Hite RD
RouteCounty Highway 2912
CountySpokane County
StateWashington
Coordinates47.62899, -117.77015
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 rating99 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2020)
Projected traffic3 by 2042
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$593,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcfarlane Road over N Fork Deep Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Mcfarlane Road over N Fork Deep 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 June 2024.

How much traffic does Mcfarlane Road over N Fork Deep Creek carry?

About 2 vehicles per day (2020 count), of which roughly 50% are trucks.

How long is Mcfarlane Road over N Fork Deep Creek?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns Mcfarlane Road over N Fork Deep Creek?

It is owned by the County Highway Agency.