US Bridges

Owyhee/Lytle Blvd over Owyhee Canal

Fair

Malheur County, Oregon · 028 MI W Owyhee JCT · Structure no. 15477A103600073

Built
1950
75 years old, rebuilt 1965
Condition
Fair
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
358
2020 count
Owner
County
County Highway Agency

About this bridge

Owyhee/Lytle Blvd over Owyhee Canal is a prestressed concrete channel beam carrying Owyhee/Lytle Blvd over Owyhee Canal in Malheur County, Oregon. It was built in 1950 and reconstructed in 1965, so it is 75 years old, older than the Oregon average of 49.9 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 358 vehicles a day, roughly 20% of them trucks, projected to reach 413 by 2025. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOwyhee/Lytle Blvd
CrossesOwyhee Canal
Location028 MI W Owyhee JCT
RouteCounty Highway 0B485
StateOregon
Coordinates43.7949, -117.1097
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourUnknown foundation; not evaluated for scour
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 rating31.7 US tons
Inventory rating24.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic358 (2020)
Projected traffic413 by 2025
Trucks20%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Owyhee/Lytle Blvd over Owyhee Canal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.

What condition is Owyhee/Lytle Blvd over Owyhee 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 2023.

How much traffic does Owyhee/Lytle Blvd over Owyhee Canal carry?

About 358 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Owyhee/Lytle Blvd over Owyhee Canal?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Owyhee/Lytle Blvd over Owyhee Canal?

It is owned by the County Highway Agency.