US Bridges

Larch Ave over C.O.I.D. Canal

Good

Deschutes County, Oregon · 0.97 M S of Redmond Cl · Structure no. 20417 000 00000

Built
2008
17 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
140
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Larch Ave over C.O.I.D. Canal is a prestressed concrete slab carrying Larch Ave over C.O.I.D. Canal in Deschutes County, Oregon. It was built in 2008, so it is 17 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 140 vehicles a day, roughly 1% of them trucks, projected to reach 160 by 2025. The structure is 44 ft (13.3 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesLarch Ave
CrossesC.O.I.D. Canal
Location0.97 M S of Redmond Cl
RouteCity Street 0
CountyDeschutes County
StateOregon
Coordinates44.28909, -121.16793
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length44 ft (13.3 m)
Longest span44 ft (13.3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic160 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway 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 Larch Ave over C.O.I.D. Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is Larch Ave over C.O.I.D. 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 Larch Ave over C.O.I.D. Canal carry?

About 140 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Larch Ave over C.O.I.D. Canal?

The structure is 44 ft (13.3 m) long with a longest span of 44 ft (13.3 m) and a deck 40 ft wide.

Who owns Larch Ave over C.O.I.D. Canal?

It is owned by the City or Municipal Highway Agency.