US Bridges

High Top Lane over Salem Canal

Good

Fremont County, Idaho · 2.0 N. 1.2 W. Sugar City · Structure no. 000000000032023

Built
2017
8 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
130
2023 count
Owner
County
County Highway Agency

About this bridge

High Top Lane over Salem Canal is a steel stringer/multi-beam or girder carrying High Top Lane over Salem Canal in Fremont County, Idaho. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 13% of them trucks, projected to reach 195 by 2039. The structure is 44 ft (13.4 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesHigh Top Lane
CrossesSalem Canal
Location2.0 N. 1.2 W. Sugar City
RouteCounty Highway 0
CountyFremont County
StateIdaho
Coordinates43.9049, -111.77775
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2023)
Projected traffic195 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 High Top Lane over Salem Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is High Top Lane over Salem 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 High Top Lane over Salem Canal carry?

About 130 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is High Top Lane over Salem Canal?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 29 ft wide.

Who owns High Top Lane over Salem Canal?

It is owned by the County Highway Agency.