US Bridges

US 95 over Cocolalla Creek

Fair

Bonner County, Idaho · 0.1 S. Cocolalla · Structure no. 000000000018705

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
11,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Cocolalla Creek is a concrete frame carrying US 95 over Cocolalla Creek in Bonner County, Idaho. It was built in 1950, so it is 75 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 11,500 vehicles a day, roughly 11% of them trucks, projected to reach 17,250 by 2042. The structure is 22 ft (6.7 m) long and 49 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

Location

Open in Google Maps
CarriesUS 95
CrossesCocolalla Creek
Location0.1 S. Cocolalla
RouteU.S. Route 95
CountyBonner County
StateIdaho
Coordinates48.10619, -116.6185
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width49 ft (14.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic17,250 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$523,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Cocolalla Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 95 over Cocolalla 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 August 2024.

How much traffic does US 95 over Cocolalla Creek carry?

About 11,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 95 over Cocolalla Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 49 ft wide.

Who owns US 95 over Cocolalla Creek?

It is owned by the State Highway Agency.