US Bridges

W 1500 S; Vanderfo over High Line Canal

Fair

Bingham County, Idaho · 2.5N. 2.0W.ABERDEEN;1500S · Structure no. 000000000022730

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

W 1500 S; Vanderfo over High Line Canal is a prestressed concrete channel beam carrying W 1500 S; Vanderfo over High Line Canal in Bingham County, Idaho. It was built in 1964, so it is 61 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 300 by 2039. The structure is 39 ft (11.9 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesW 1500 S; Vanderfo
CrossesHigh Line Canal
Location2.5N. 2.0W.ABERDEEN;1500S
RouteCounty Highway 0
CountyBingham County
StateIdaho
Coordinates42.9805, -112.87725
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic300 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 W 1500 S; Vanderfo over High Line Canal built?

It was built in 1964, making it 61 years old in 2025.

What condition is W 1500 S; Vanderfo 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 March 2024.

How much traffic does W 1500 S; Vanderfo over High Line Canal carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is W 1500 S; Vanderfo over High Line Canal?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns W 1500 S; Vanderfo over High Line Canal?

It is owned by the County Highway Agency.