US Bridges

N 3000 E over Teton Island Canal

Good

Madison County, Idaho · 4.4 N. 3.6 E. Rexburg · Structure no. 000000000032810

Built
1977
48 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
110
2023 count
Owner
County
County Highway Agency

About this bridge

N 3000 E over Teton Island Canal is a prestressed concrete slab carrying N 3000 E over Teton Island Canal in Madison County, Idaho. It was built in 1977, so it is 48 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 10% of them trucks, projected to reach 165 by 2039. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN 3000 E
CrossesTeton Island Canal
Location4.4 N. 3.6 E. Rexburg
RouteCounty Highway 0
StateIdaho
Coordinates43.89086, -111.71792
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2023)
Projected traffic165 by 2039
Trucks10%
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 N 3000 E over Teton Island Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is N 3000 E over Teton Island Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does N 3000 E over Teton Island Canal carry?

About 110 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is N 3000 E over Teton Island Canal?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns N 3000 E over Teton Island Canal?

It is owned by the County Highway Agency.