US Bridges

Ward Road over Coi Main Canal

Fair

Deschutes County, Oregon · 0080 MI South HWY 20 · Structure no. 09819 D56 00080

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
89 ft
3 main spans
Daily traffic
1,510
2020 count
Owner
County
County Highway Agency

About this bridge

Ward Road over Coi Main Canal is a prestressed concrete slab carrying Ward Road over Coi Main Canal in Deschutes County, Oregon. It was built in 1968, so it is 57 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.

It carries about 1,510 vehicles a day, roughly 2% of them trucks, projected to reach 1,610 by 2025. The structure is 89 ft (27.1 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesWard Road
CrossesCoi Main Canal
Location0080 MI South HWY 20
RouteCounty Highway 3202
CountyDeschutes County
StateOregon
Coordinates44.04256, -121.24358
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating95.3 US tons
Inventory rating73.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,510 (2020)
Projected traffic1,610 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Ward Road over Coi Main Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Ward Road over Coi Main 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 March 2024.

How much traffic does Ward Road over Coi Main Canal carry?

About 1,510 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ward Road over Coi Main Canal?

The structure is 89 ft (27.1 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Ward Road over Coi Main Canal?

It is owned by the County Highway Agency.