US Bridges

IRR BIA RTE 66 over Looney Creek

Fair

Okanogan County, Washington · N.W. End of BIA Rt. 66 · Structure no. 00000000000P338

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
50
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 66 over Looney Creek is a steel stringer/multi-beam or girder carrying IRR BIA RTE 66 over Looney Creek in Okanogan County, Washington. It was built in 2001, so it is 24 years old, younger 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 6 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 50 vehicles a day, roughly 25% of them trucks, projected to reach 40 by 2043. The structure is 50 ft (15.3 m) long and 14 ft wide. If it were closed, the detour would be 40.4 mi (65 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 66
CrossesLooney Creek
LocationN.W. End of BIA Rt. 66
RouteFederal Lands Road 66
CountyOkanogan County
StateWashington
Coordinates48.4648, -119.03337
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.5 US tons
Inventory rating47.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.3 m)
Longest span49 ft (14.8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic40 by 2043
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed40.4 mi (65 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 66 over Looney Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is IRR BIA RTE 66 over Looney 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 2023.

How much traffic does IRR BIA RTE 66 over Looney Creek carry?

About 50 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is IRR BIA RTE 66 over Looney Creek?

The structure is 50 ft (15.3 m) long with a longest span of 49 ft (14.8 m) and a deck 14 ft wide.

Who owns IRR BIA RTE 66 over Looney Creek?

It is owned by the Bureau of Indian Affairs.