US Bridges

1200 East Road over Low Line Canal

Fair

Twin Falls County, Idaho · 2.8 S. 2.6 W. Buhl · Structure no. 000000000025460

Built
1966
59 years old, rebuilt 1993
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
50
2023 count
Owner
Local
Other Local Agency

About this bridge

1200 East Road over Low Line Canal is a steel stringer/multi-beam or girder carrying 1200 East Road over Low Line Canal in Twin Falls County, Idaho. It was built in 1966 and reconstructed in 1993, so it is 59 years old, older 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2039. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1200 East Road
CrossesLow Line Canal
Location2.8 S. 2.6 W. Buhl
RouteCounty Highway 0
StateIdaho
Coordinates42.5575, -114.81
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 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

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 1200 East Road over Low Line Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1993.

What condition is 1200 East Road over Low Line 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 February 2024.

How much traffic does 1200 East Road over Low Line Canal carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 1200 East Road over Low Line Canal?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns 1200 East Road over Low Line Canal?

It is owned by the Other Local Agency.