US Bridges

Blakely Road over Coi Main Canal

Fair

Deschutes County, Oregon · 100FT North Reed Lane · Structure no. 09C60 E01 00100

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
64 ft
2 main spans
Daily traffic
3,676
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blakely Road over Coi Main Canal is a prestressed concrete slab carrying Blakely Road over Coi Main Canal in Deschutes County, Oregon. It was built in 1972, so it is 53 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 3,676 vehicles a day, roughly 2% of them trucks, projected to reach 4,184 by 2025. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBlakely Road
CrossesCoi Main Canal
Location100FT North Reed Lane
RouteCounty Highway 3001
StateOregon
Coordinates44.03403, -121.31839
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,676 (2020)
Projected traffic4,184 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Blakely Road over Coi Main Canal built?

It was built in 1972, making it 53 years old in 2025.

What condition is Blakely 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 February 2023.

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

About 3,676 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Blakely Road over Coi Main Canal?

The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Blakely Road over Coi Main Canal?

It is owned by the City or Municipal Highway Agency.