US Bridges

Pioneer RD over Dead Ox Canal

Good

Malheur County, Oregon · 060 North of Shop · Structure no. 45C308091700000

Built
1940
85 years old, rebuilt 1983
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
272
2020 count
Owner
County
County Highway Agency

About this bridge

Pioneer RD over Dead Ox Canal is a prestressed concrete slab carrying Pioneer RD over Dead Ox Canal in Malheur County, Oregon. It was built in 1940 and reconstructed in 1983, so it is 85 years old, older 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.

It carries about 272 vehicles a day, roughly 20% of them trucks, projected to reach 322 by 2025. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPioneer RD
CrossesDead Ox Canal
Location060 North of Shop
RouteCounty Highway C0917
StateOregon
Coordinates44.12191, -116.93462
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2020)
Projected traffic322 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Pioneer RD over Dead Ox Canal built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1983.

What condition is Pioneer RD over Dead Ox 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 Pioneer RD over Dead Ox Canal carry?

About 272 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Pioneer RD over Dead Ox Canal?

The structure is 82 ft (25 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns Pioneer RD over Dead Ox Canal?

It is owned by the County Highway Agency.