US Bridges

E 500 N over St. Anthony Canal

Good

Fremont County, Idaho · 0.1 S. 2.6 W. Parker · Structure no. 000000000031926

Built
2010
15 years old
Condition
Good
inspected March 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
280
2023 count
Owner
County
County Highway Agency

About this bridge

E 500 N over St. Anthony Canal is a concrete frame carrying E 500 N over St. Anthony Canal in Fremont County, Idaho. It was built in 2010, so it is 15 years old, younger 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 280 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2039. The structure is 27 ft (8.2 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 500 N
CrossesSt. Anthony Canal
Location0.1 S. 2.6 W. Parker
RouteCounty Highway 0
StateIdaho
Coordinates43.95594, -111.80839
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2023)
Projected traffic420 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 E 500 N over St. Anthony Canal built?

It was built in 2010, making it 15 years old in 2025.

What condition is E 500 N over St. Anthony 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 March 2024.

How much traffic does E 500 N over St. Anthony Canal carry?

About 280 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is E 500 N over St. Anthony Canal?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 39 ft wide.

Who owns E 500 N over St. Anthony Canal?

It is owned by the County Highway Agency.