US Bridges

N 1800 E Road over Low Line Canal

Good

Twin Falls County, Idaho · 3.0 S 3.5 E Buhl · Structure no. 000000000025471

Built
2011
14 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
670
2023 count
Owner
Local
Other Local Agency

About this bridge

N 1800 E Road over Low Line Canal is a steel stringer/multi-beam or girder carrying N 1800 E Road over Low Line Canal in Twin Falls County, Idaho. It was built in 2011, so it is 14 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 670 vehicles a day, roughly 12% of them trucks, projected to reach 1,005 by 2039. The structure is 68 ft (20.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN 1800 E Road
CrossesLow Line Canal
Location3.0 S 3.5 E Buhl
RouteCounty Highway 0
StateIdaho
Coordinates42.55678, -114.69244
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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2023)
Projected traffic1,005 by 2039
Trucks12%
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

OwnerOther Local Agency
Maintained byOther Local 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 1800 E Road over Low Line Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is N 1800 E Road over Low Line 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 February 2024.

How much traffic does N 1800 E Road over Low Line Canal carry?

About 670 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is N 1800 E Road over Low Line Canal?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 39 ft wide.

Who owns N 1800 E Road over Low Line Canal?

It is owned by the Other Local Agency.