US Bridges

Stc 5804;LIONS Den over Caribou Creek

Good

Bonner County, Idaho · 2.5S. 4.3W. Bonners Ferry · Structure no. 000000000020686

Built
2018
7 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5804;LIONS Den over Caribou Creek is a steel stringer/multi-beam or girder carrying Stc 5804;LIONS Den over Caribou Creek in Bonner County, Idaho. It was built in 2018, so it is 7 years old, younger than the Idaho average of 45.3 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2042. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesStc 5804;LIONS Den
CrossesCaribou Creek
Location2.5S. 4.3W. Bonners Ferry
RouteCounty Highway 5804
StateIdaho
Coordinates48.65908, -116.40383
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic450 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 5804;LIONS Den over Caribou Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Stc 5804;LIONS Den over Caribou 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 October 2024.

How much traffic does Stc 5804;LIONS Den over Caribou Creek carry?

About 300 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Stc 5804;LIONS Den over Caribou Creek?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Stc 5804;LIONS Den over Caribou Creek?

It is owned by the County Highway Agency.