US Bridges

3214: Ruiz Lake over Dietrich Main Canal

PoorPosted for load

Lincoln County, Idaho · 3.2 MI E of ID93 · Structure no. 000000000L59821

Built
1987
38 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
64 ft
2 main spans
Daily traffic
25
2011 count
Owner
Federal
Bureau of Land Management

About this bridge

3214: Ruiz Lake over Dietrich Main Canal is a wood or timber stringer/multi-beam or girder carrying 3214: Ruiz Lake over Dietrich Main Canal in Lincoln County, Idaho. It was built in 1987, so it is 38 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 64 ft (19.6 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries3214: Ruiz Lake
CrossesDietrich Main Canal
Location3.2 MI E of ID93
RouteFederal Lands Road 0
StateIdaho
Coordinates42.98139, -114.18639
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.7 US tons
Inventory rating11.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length64 ft (19.6 m)
Longest span30 ft (9.2 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2011)
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 3214: Ruiz Lake over Dietrich Main Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is 3214: Ruiz Lake over Dietrich Main Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does 3214: Ruiz Lake over Dietrich Main Canal carry?

About 25 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 3214: Ruiz Lake over Dietrich Main Canal?

The structure is 64 ft (19.6 m) long with a longest span of 30 ft (9.2 m) and a deck 14 ft wide.

Who owns 3214: Ruiz Lake over Dietrich Main Canal?

It is owned by the Bureau of Land Management.