US Bridges

Squaw Valley over Upper W.Branch Priest R.

Fair

Bonner County, Idaho · 1.9 S. 5.6 W. Coolin · Structure no. 000000000030170

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Squaw Valley over Upper W.Branch Priest R. is a concrete tee beam carrying Squaw Valley over Upper W.Branch Priest R. in Bonner County, Idaho. It was built in 1975, so it is 50 years old, older than the Idaho average of 45.3 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2039. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSquaw Valley
CrossesUpper W.Branch Priest R.
Location1.9 S. 5.6 W. Coolin
RouteCounty Highway 0
CountyBonner County
StateIdaho
Coordinates48.45525, -116.97106
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2039
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$475,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Squaw Valley over Upper W.Branch Priest R. built?

It was built in 1975, making it 50 years old in 2025.

What condition is Squaw Valley over Upper W.Branch Priest R. 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 August 2023.

How much traffic does Squaw Valley over Upper W.Branch Priest R. carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Squaw Valley over Upper W.Branch Priest R.?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns Squaw Valley over Upper W.Branch Priest R.?

It is owned by the County Highway Agency.