US Bridges

Foxtail C-836 over Riverside Canal

GoodPosted for load

Malheur County, Oregon · 1 MI E of State 454 · Structure no. 45C133083600080

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
68
2020 count
Owner
County
County Highway Agency

About this bridge

Foxtail C-836 over Riverside Canal is a prestressed concrete channel beam carrying Foxtail C-836 over Riverside Canal in Malheur County, Oregon. It was built in 1983, so it is 42 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 68 vehicles a day, roughly 10% of them trucks, projected to reach 79 by 2025. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFoxtail C-836
CrossesRiverside Canal
Location1 MI E of State 454
RouteCounty Highway C0836
StateOregon
Coordinates43.7153, -117.064
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 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 span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68 (2020)
Projected traffic79 by 2025
Trucks10%
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 Foxtail C-836 over Riverside Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Foxtail C-836 over Riverside Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Foxtail C-836 over Riverside Canal carry?

About 68 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Foxtail C-836 over Riverside Canal?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Foxtail C-836 over Riverside Canal?

It is owned by the County Highway Agency.