US Bridges

27th ST SE over C.O.I. Canal

Fair

Deschutes County, Oregon · 0125 MI South HWY 20 · Structure no. 09815 D02 00125

Built
1968
57 years old, rebuilt 2002
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
54 ft
2 main spans
Daily traffic
5,794
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

27th ST SE over C.O.I. Canal is a prestressed concrete slab carrying 27th ST SE over C.O.I. Canal in Deschutes County, Oregon. It was built in 1968 and reconstructed in 2002, 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 5,794 vehicles a day, roughly 25% of them trucks, projected to reach 6,594 by 2025. The structure is 54 ft (16.5 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries27th ST SE
CrossesC.O.I. Canal
Location0125 MI South HWY 20
RouteCounty Highway 3161
CountyDeschutes County
StateOregon
Coordinates44.03509, -121.26367
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating61.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span26 ft (7.9 m)
Deck width64 ft (19.5 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,794 (2020)
Projected traffic6,594 by 2025
Trucks25%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 27th ST SE over C.O.I. Canal built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2002.

What condition is 27th ST SE over C.O.I. 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 27th ST SE over C.O.I. Canal carry?

About 5,794 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is 27th ST SE over C.O.I. Canal?

The structure is 54 ft (16.5 m) long with a longest span of 26 ft (7.9 m) and a deck 64 ft wide.

Who owns 27th ST SE over C.O.I. Canal?

It is owned by the City or Municipal Highway Agency.