US Bridges

Stc 5804;COPELAND over Kootenai R.;copeland Br.

Fair

Boundary County, Idaho · 0.1 N. 1.3 W. Copeland · Structure no. 000000000020725

Built
1969
56 years old
Condition
Fair
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
623 ft
3 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5804;COPELAND over Kootenai R.;copeland Br. is a steel continuous stringer/multi-beam or girder carrying Stc 5804;COPELAND over Kootenai R.;copeland Br. in Boundary County, Idaho. It was built in 1969, so it is 56 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 623 ft (189.9 m) long and 29 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

Location

Open in Google Maps
CarriesStc 5804;COPELAND
CrossesKootenai R.;copeland Br.
Location0.1 N. 1.3 W. Copeland
RouteCounty Highway 5804
CountyBoundary County
StateIdaho
Coordinates48.90456, -116.40428
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length623 ft (189.9 m)
Longest span240 ft (73.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 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
CrossesHighway and waterway
Detour if closed37.9 mi (61 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Stc 5804;COPELAND over Kootenai R.;copeland Br. built?

It was built in 1969, making it 56 years old in 2025.

What condition is Stc 5804;COPELAND over Kootenai R.;copeland 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 July 2021.

How much traffic does Stc 5804;COPELAND over Kootenai R.;copeland Br. carry?

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

How long is Stc 5804;COPELAND over Kootenai R.;copeland Br.?

The structure is 623 ft (189.9 m) long with a longest span of 240 ft (73.2 m) and a deck 29 ft wide.

Who owns Stc 5804;COPELAND over Kootenai R.;copeland Br.?

It is owned by the County Highway Agency.