US Bridges

US 95 over Cougar Creek

Fair

Kootenai County, Idaho · 4.1 S. Coeur Dalene · Structure no. 000000000018670

Built
1985
40 years old
Condition
Fair
inspected August 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
10,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Cougar Creek is a prestressed concrete stringer/multi-beam or girder carrying US 95 over Cougar Creek in Kootenai County, Idaho. It was built in 1985, so it is 40 years old, younger 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 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 10,000 vehicles a day, roughly 12% of them trucks, projected to reach 15,000 by 2042. The structure is 73 ft (22.3 m) long and 58 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesUS 95
CrossesCougar Creek
Location4.1 S. Coeur Dalene
RouteU.S. Route 95
StateIdaho
Coordinates47.65811, -116.84003
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span69 ft (21 m)
Deck width58 ft (17.6 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2023)
Projected traffic15,000 by 2042
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Cougar Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is US 95 over Cougar 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 2021.

How much traffic does US 95 over Cougar Creek carry?

About 10,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 95 over Cougar Creek?

The structure is 73 ft (22.3 m) long with a longest span of 69 ft (21 m) and a deck 58 ft wide.

Who owns US 95 over Cougar Creek?

It is owned by the State Highway Agency.