US Bridges

3215: Dynamite Cav over Milner Gooding Canal

Fair

Lincoln County, Idaho · 9.6 MI E of US93 · Structure no. 0000000L2016020

Built
2014
11 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
25
2018 count
Owner
Federal
Bureau of Land Management

About this bridge

3215: Dynamite Cav over Milner Gooding Canal is a steel stringer/multi-beam or girder carrying 3215: Dynamite Cav over Milner Gooding Canal in Lincoln County, Idaho. It was built in 2014, so it is 11 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 75 ft (23 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
Carries3215: Dynamite Cav
CrossesMilner Gooding Canal
Location9.6 MI E of US93
RouteFederal Lands Road 0
CountyLincoln County
StateIdaho
Coordinates42.81333, -114.26972
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length75 ft (23 m)
Longest span74 ft (22.6 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic35 by 2040
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 3215: Dynamite Cav over Milner Gooding Canal built?

It was built in 2014, making it 11 years old in 2025.

What condition is 3215: Dynamite Cav over Milner Gooding 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 October 2024.

How much traffic does 3215: Dynamite Cav over Milner Gooding Canal carry?

About 25 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 3215: Dynamite Cav over Milner Gooding Canal?

The structure is 75 ft (23 m) long with a longest span of 74 ft (22.6 m) and a deck 14 ft wide.

Who owns 3215: Dynamite Cav over Milner Gooding Canal?

It is owned by the Bureau of Land Management.