US Bridges

Stc 5804;WESTSIDE over Fisher Creek

Fair

Boundary County, Idaho · 1.5S. 2.9W. Copeland · Structure no. 000000000020721

Built
2003
22 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
33 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 5804;WESTSIDE over Fisher Creek is a concrete continuous stringer/multi-beam or girder carrying Stc 5804;WESTSIDE over Fisher Creek in Boundary County, Idaho. It was built in 2003, so it is 22 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 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 450 by 2042. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesStc 5804;WESTSIDE
CrossesFisher Creek
Location1.5S. 2.9W. Copeland
RouteCounty Highway 5804
StateIdaho
Coordinates48.87994, -116.43586
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating43 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 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 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$401,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 5804;WESTSIDE over Fisher Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Stc 5804;WESTSIDE over Fisher 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 July 2023.

How much traffic does Stc 5804;WESTSIDE over Fisher Creek carry?

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

How long is Stc 5804;WESTSIDE over Fisher Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Stc 5804;WESTSIDE over Fisher Creek?

It is owned by the County Highway Agency.