US Bridges

Coyote RD NG/BBRG1 over North Unit Canal

Poor

Deschutes County, Oregon · 1 MI South of HWY 26 · Structure no. 17M001000000000

Built
1960
65 years old
Condition
Poor
inspected December 2023
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
13
2010 count
Owner
State
Other State Agency

About this bridge

Coyote RD NG/BBRG1 over North Unit Canal is a steel truss - thru carrying Coyote RD NG/BBRG1 over North Unit Canal in Deschutes County, Oregon. It was built in 1960, so it is 65 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13 vehicles a day, roughly 40% of them trucks, projected to reach 14 by 2030. The structure is 61 ft (18.6 m) long and 14 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCoyote RD NG/BBRG1
CrossesNorth Unit Canal
Location1 MI South of HWY 26
RouteFederal Lands Road 0
StateOregon
Coordinates44.24992, -121.13048
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2010)
Projected traffic14 by 2030
Trucks40%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coyote RD NG/BBRG1 over North Unit Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is Coyote RD NG/BBRG1 over North Unit Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does Coyote RD NG/BBRG1 over North Unit Canal carry?

About 13 vehicles per day (2010 count), of which roughly 40% are trucks.

How long is Coyote RD NG/BBRG1 over North Unit Canal?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns Coyote RD NG/BBRG1 over North Unit Canal?

It is owned by the Other State Agency.