US Bridges

Mcfarlane Road over Deep Creek

Good

Spokane County, Washington · 0.5 MI E Espanola R · Structure no. 085753000000000

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
140
2023 count
Owner
County
County Highway Agency

About this bridge

Mcfarlane Road over Deep Creek is a prestressed concrete tee beam carrying Mcfarlane Road over Deep Creek in Spokane County, Washington. It was built in 1988, so it is 37 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 140 vehicles a day, roughly 17% of them trucks, projected to reach 202 by 2045. The structure is 112 ft (34.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcfarlane Road
CrossesDeep Creek
Location0.5 MI E Espanola R
RouteCounty Highway 2912
Coordinates47.62932, -117.72142
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span111 ft (33.8 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2023)
Projected traffic202 by 2045
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcfarlane Road over Deep Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Mcfarlane Road over Deep 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 Mcfarlane Road over Deep Creek carry?

About 140 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Mcfarlane Road over Deep Creek?

The structure is 112 ft (34.1 m) long with a longest span of 111 ft (33.8 m) and a deck 31 ft wide.

Who owns Mcfarlane Road over Deep Creek?

It is owned by the County Highway Agency.