US Bridges

Gribbling Road over Coi Canal

Good

Deschutes County, Oregon · 1 MI South of HWY 20 · Structure no. 24286 381400099

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
7
2020 count
Owner
County
County Highway Agency

About this bridge

Gribbling Road over Coi Canal is a prestressed concrete slab carrying Gribbling Road over Coi Canal in Deschutes County, Oregon. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7 vehicles a day, projected to reach 8 by 2025. The structure is 45 ft (13.8 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesGribbling Road
CrossesCoi Canal
Location1 MI South of HWY 20
RouteCounty Highway 3184
CountyDeschutes County
StateOregon
Coordinates44.0348, -121.17368
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length45 ft (13.8 m)
Longest span45 ft (13.8 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2020)
Projected traffic8 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Gribbling Road over Coi Canal built?

It was built in 2024, making it 1 years old in 2025.

What condition is Gribbling Road over Coi 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 May 2024.

How much traffic does Gribbling Road over Coi Canal carry?

About 7 vehicles per day (2020 count).

How long is Gribbling Road over Coi Canal?

The structure is 45 ft (13.8 m) long with a longest span of 45 ft (13.8 m) and a deck 28 ft wide.

Who owns Gribbling Road over Coi Canal?

It is owned by the County Highway Agency.