US Bridges

N 1700 E over St. Anthony Canal

Fair

Fremont County, Idaho · 1.2 N. 1.1 E. Egin · Structure no. 000000000032026

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

N 1700 E over St. Anthony Canal is a prestressed concrete stringer/multi-beam or girder carrying N 1700 E over St. Anthony Canal in Fremont County, Idaho. It was built in 1996, so it is 29 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2039. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN 1700 E
CrossesSt. Anthony Canal
Location1.2 N. 1.1 E. Egin
RouteCounty Highway 0
StateIdaho
Coordinates43.95314, -111.81503
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 rating54 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic150 by 2039
Trucks5%
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 1700 E over St. Anthony Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is N 1700 E 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 2024.

How much traffic does N 1700 E over St. Anthony Canal carry?

About 100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N 1700 E over St. Anthony Canal?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns N 1700 E over St. Anthony Canal?

It is owned by the County Highway Agency.