US Bridges

W 6000 N over Independent Canal

Fair

Madison County, Idaho · 6.0 N. 3.0 W. Rexburg · Structure no. 000000000032861

Built
2002
23 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
21 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

W 6000 N over Independent Canal is a concrete frame carrying W 6000 N over Independent Canal in Madison 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 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 75 by 2039. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW 6000 N
CrossesIndependent Canal
Location6.0 N. 3.0 W. Rexburg
RouteCounty Highway 0
StateIdaho
Coordinates43.91261, -111.84728
Functional classRural Local

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 W 6000 N over Independent Canal built?

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

What condition is W 6000 N over Independent Canal 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 November 2024.

How much traffic does W 6000 N over Independent Canal carry?

About 50 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is W 6000 N over Independent Canal?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 26 ft wide.

Who owns W 6000 N over Independent Canal?

It is owned by the County Highway Agency.