US Bridges

Stc 5804;LIONS Den over Deep Creek (moravia Br)

Fair

Boundary County, Idaho · 3.5S. 3.7W. Bonners Ferry · Structure no. 000000000020680

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5804;LIONS Den over Deep Creek (moravia Br) is a prestressed concrete box beam or girders - multiple carrying Stc 5804;LIONS Den over Deep Creek (moravia Br) in Boundary County, Idaho. It was built in 1976, so it is 49 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 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2042. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesStc 5804;LIONS Den
CrossesDeep Creek (moravia Br)
Location3.5S. 3.7W. Bonners Ferry
RouteCounty Highway 5804
CountyBoundary County
StateIdaho
Coordinates48.645, -116.39289
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating13 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 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 closed14.3 mi (23 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$668,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 5804;LIONS Den over Deep Creek (moravia Br) built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stc 5804;LIONS Den over Deep Creek (moravia Br) 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 Stc 5804;LIONS Den over Deep Creek (moravia Br) carry?

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

How long is Stc 5804;LIONS Den over Deep Creek (moravia Br)?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 36 ft wide.

Who owns Stc 5804;LIONS Den over Deep Creek (moravia Br)?

It is owned by the County Highway Agency.