US Bridges

Van Slyke Road over Deer Flat Canal

Fair

Canyon County, Idaho · 2.2 S. 3.0 E. Wilder · Structure no. 000000000027071

Built
1992
33 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
53 ft
3 main spans
Daily traffic
30
2023 count
Owner
Local
Other Local Agency

About this bridge

Van Slyke Road over Deer Flat Canal is a concrete stringer/multi-beam or girder carrying Van Slyke Road over Deer Flat Canal in Canyon County, Idaho. It was built in 1992, so it is 33 years old, younger 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2039. The structure is 53 ft (16.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesVan Slyke Road
CrossesDeer Flat Canal
Location2.2 S. 3.0 E. Wilder
RouteCounty Highway 0
StateIdaho
Coordinates43.64514, -116.85254
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span17 ft (5.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 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 Van Slyke Road over Deer Flat Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is Van Slyke Road over Deer Flat 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 November 2024.

How much traffic does Van Slyke Road over Deer Flat Canal carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Van Slyke Road over Deer Flat Canal?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.2 m) and a deck 28 ft wide.

Who owns Van Slyke Road over Deer Flat Canal?

It is owned by the Other Local Agency.