US Bridges

3200 East RD over Low Line Canal

Fair

Twin Falls County, Idaho · 4.3 S. 2.5 E. Twin Falls · Structure no. 000000000025480

Built
1968
57 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
190
2023 count
Owner
Local
Other Local Agency

About this bridge

3200 East RD over Low Line Canal is a prestressed concrete channel beam carrying 3200 East RD over Low Line Canal in Twin Falls County, Idaho. It was built in 1968, so it is 57 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 5 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 190 vehicles a day, roughly 10% of them trucks, projected to reach 285 by 2039. The structure is 114 ft (34.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries3200 East RD
CrossesLow Line Canal
Location4.3 S. 2.5 E. Twin Falls
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.49441, -114.4213
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length114 ft (34.7 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic285 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 3200 East RD over Low Line Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is 3200 East RD 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 2023.

How much traffic does 3200 East RD over Low Line Canal carry?

About 190 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 3200 East RD over Low Line Canal?

The structure is 114 ft (34.7 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns 3200 East RD over Low Line Canal?

It is owned by the Other Local Agency.