US Bridges

SH 33 over Owsley Canal

Fair

Jefferson County, Idaho · In Mud Lake · Structure no. 000000000016631

Built
1995
30 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
38 ft
2 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SH 33 over Owsley Canal is a concrete slab carrying SH 33 over Owsley Canal in Jefferson County, Idaho. It was built in 1995, so it is 30 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 3,300 vehicles a day, roughly 7% of them trucks, projected to reach 4,950 by 2042. The structure is 38 ft (11.7 m) long and 52 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSH 33
CrossesOwsley Canal
LocationIn Mud Lake
RouteState Highway 33
CountyJefferson County
StateIdaho
Coordinates43.84131, -112.47575
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length38 ft (11.7 m)
Longest span15 ft (4.7 m)
Deck width52 ft (15.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic4,950 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SH 33 over Owsley Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is SH 33 over Owsley 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 2023.

How much traffic does SH 33 over Owsley Canal carry?

About 3,300 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 33 over Owsley Canal?

The structure is 38 ft (11.7 m) long with a longest span of 15 ft (4.7 m) and a deck 52 ft wide.

Who owns SH 33 over Owsley Canal?

It is owned by the State Highway Agency.