US Bridges

Stc 1840:WOLVERINE over Idaho Canal

Poor

Bingham County, Idaho · 1.5S. 3.6E. Firth · Structure no. 000000000022851

Built
2002
23 years old
Condition
Poor
inspected April 2024
Type
Frame
Concrete
Length
41 ft
1 main span
Daily traffic
290
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 1840:WOLVERINE over Idaho Canal is a concrete frame carrying Stc 1840:WOLVERINE over Idaho Canal in Bingham County, Idaho. It was built in 2002, so it is 23 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 290 vehicles a day, roughly 4% of them trucks, projected to reach 435 by 2042. The structure is 41 ft (12.5 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStc 1840:WOLVERINE
CrossesIdaho Canal
Location1.5S. 3.6E. Firth
RouteCounty Highway 1840
StateIdaho
Coordinates43.28239, -112.11261
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 12 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2023)
Projected traffic435 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1840:WOLVERINE over Idaho Canal built?

It was built in 2002, making it 23 years old in 2025.

What condition is Stc 1840:WOLVERINE over Idaho Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Stc 1840:WOLVERINE over Idaho Canal carry?

About 290 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Stc 1840:WOLVERINE over Idaho Canal?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 40 ft wide.

Who owns Stc 1840:WOLVERINE over Idaho Canal?

It is owned by the County Highway Agency.