E 400 N over St. Anthony Canal
FairFremont County, Idaho · 0.4 N. 2.1 W. Egin · Structure no. 000000000032031
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 70
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
E 400 N over St. Anthony Canal is a prestressed concrete tee beam carrying E 400 N over St. Anthony Canal in Fremont County, Idaho. It was built in 1991, so it is 34 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2039. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E 400 N over St. Anthony Canal built?
It was built in 1991, making it 34 years old in 2025.
What condition is E 400 N over St. Anthony 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 2023.
How much traffic does E 400 N over St. Anthony Canal carry?
About 70 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is E 400 N over St. Anthony Canal?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.
Who owns E 400 N over St. Anthony Canal?
It is owned by the County Highway Agency.