US Bridges

Hamehook Road over North Unit Main Canal

Good

Deschutes County, Oregon · 0.3 MI East Desc Mkt RD · Structure no. 17C32 D57 00100

Built
1977
48 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
2 main spans
Daily traffic
2,006
2020 count
Owner
County
County Highway Agency

About this bridge

Hamehook Road over North Unit Main Canal is a wood or timber stringer/multi-beam or girder carrying Hamehook Road over North Unit 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 2,006 vehicles a day, roughly 2% of them trucks, projected to reach 2,311 by 2025. The structure is 52 ft (15.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHamehook Road
CrossesNorth Unit Main Canal
Location0.3 MI East Desc Mkt RD
RouteCounty Highway 3203
StateOregon
Coordinates44.105, -121.2484
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,006 (2020)
Projected traffic2,311 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Hamehook Road over North Unit Main Canal built?

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

What condition is Hamehook Road over North Unit 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 March 2024.

How much traffic does Hamehook Road over North Unit Main Canal carry?

About 2,006 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Hamehook Road over North Unit Main Canal?

The structure is 52 ft (15.9 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Hamehook Road over North Unit Main Canal?

It is owned by the County Highway Agency.