US Bridges

3200 North RD over High Line Canal

Fair

Twin Falls County, Idaho · 4.7 S. Hansen · Structure no. 000000000025605

Built
1971
54 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Prestressed Concrete
Length
96 ft
3 main spans
Daily traffic
1,100
2023 count
Owner
Local
Other Local Agency

About this bridge

3200 North RD over High Line Canal is a prestressed concrete tee beam carrying 3200 North RD over High Line Canal in Twin Falls County, Idaho. It was built in 1971, so it is 54 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 1,100 vehicles a day, roughly 1% of them trucks, projected to reach 1,650 by 2042. The structure is 96 ft (29.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries3200 North RD
CrossesHigh Line Canal
Location4.7 S. Hansen
RouteCounty Highway 0
CountyTwin Falls County
StateIdaho
Coordinates42.46094, -114.30375
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,650 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 3200 North RD over High Line Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is 3200 North RD over High 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 North RD over High Line Canal carry?

About 1,100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is 3200 North RD over High Line Canal?

The structure is 96 ft (29.3 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns 3200 North RD over High Line Canal?

It is owned by the Other Local Agency.