US Bridges

SW 61st Street over Pilot Butte Main Canal

Good

Deschutes County, Oregon · 1.54 MI West of HWY 97 · Structure no. 17C10 B29 00154

Built
1977
48 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,732
2020 count
Owner
County
County Highway Agency

About this bridge

SW 61st Street over Pilot Butte Main Canal is a prestressed concrete slab carrying SW 61st Street over Pilot Butte Main Canal in Deschutes County, Oregon. It was built in 1977, so it is 48 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.

It carries about 1,732 vehicles a day, roughly 2% of them trucks, projected to reach 1,971 by 2025. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW 61st Street
CrossesPilot Butte Main Canal
Location1.54 MI West of HWY 97
RouteCounty Highway 2107
StateOregon
Coordinates44.20361, -121.24352
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating77.2 US tons
Inventory rating59.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 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 traffic1,732 (2020)
Projected traffic1,971 by 2025
Trucks2%
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 SW 61st Street over Pilot Butte Main Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is SW 61st Street over Pilot Butte Main 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 February 2023.

How much traffic does SW 61st Street over Pilot Butte Main Canal carry?

About 1,732 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SW 61st Street over Pilot Butte Main Canal?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns SW 61st Street over Pilot Butte Main Canal?

It is owned by the County Highway Agency.