US Bridges

Dickman Road over Waldvogel Canal

Fair

Ada County, Idaho · 5.7 S. 4.3 W. Kuna · Structure no. 000000000025805

Built
1950
75 years old, rebuilt 1998
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
33 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Dickman Road over Waldvogel Canal is a steel continuous stringer/multi-beam or girder carrying Dickman Road over Waldvogel Canal in Ada County, Idaho. It was built in 1950 and reconstructed in 1998, so it is 75 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 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesDickman Road
CrossesWaldvogel Canal
Location5.7 S. 4.3 W. Kuna
RouteCounty Highway 0
StateIdaho
Coordinates43.40833, -116.50589
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.1 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 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 Dickman Road over Waldvogel Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1998.

What condition is Dickman Road over Waldvogel 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 Dickman Road over Waldvogel Canal carry?

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

How long is Dickman Road over Waldvogel Canal?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 29 ft wide.

Who owns Dickman Road over Waldvogel Canal?

It is owned by the County Highway Agency.