US Bridges

Ridgeview C-1053 over So Owyhee Canal

Fair

Malheur County, Oregon · 0.3 MI N ST HWY 201 · Structure no. 45C1371053 0215

Built
1996
29 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
122
2020 count
Owner
County
County Highway Agency

About this bridge

Ridgeview C-1053 over So Owyhee Canal is a prestressed concrete slab carrying Ridgeview C-1053 over So Owyhee Canal in Malheur County, Oregon. It was built in 1996, so it is 29 years old, younger 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.

It carries about 122 vehicles a day, roughly 20% of them trucks, projected to reach 142 by 2025. The structure is 32 ft (9.8 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRidgeview C-1053
CrossesSo Owyhee Canal
Location0.3 MI N ST HWY 201
RouteCounty Highway C1053
StateOregon
Coordinates43.63326, -117.05569
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span27 ft (8.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122 (2020)
Projected traffic142 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ridgeview C-1053 over So Owyhee Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is Ridgeview C-1053 over So 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 Ridgeview C-1053 over So Owyhee Canal carry?

About 122 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Ridgeview C-1053 over So Owyhee Canal?

The structure is 32 ft (9.8 m) long with a longest span of 27 ft (8.2 m) and a deck 28 ft wide.

Who owns Ridgeview C-1053 over So Owyhee Canal?

It is owned by the County Highway Agency.