US Bridges

Jericho Lane over North Unit Canal

Fair

Jefferson County, Oregon · 0.3 MI W of HWY 97 · Structure no. 16C91 124 00534

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
26 ft
1 main span
Daily traffic
561
2020 count
Owner
County
County Highway Agency

About this bridge

Jericho Lane over North Unit Canal is a wood or timber stringer/multi-beam or girder carrying Jericho Lane over North Unit Canal in Jefferson 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 5 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 561 vehicles a day, roughly 10% of them trucks, projected to reach 646 by 2025. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJericho Lane
CrossesNorth Unit Canal
Location0.3 MI W of HWY 97
RouteCounty Highway 0
StateOregon
Coordinates44.50236, -121.19461
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 alignment8: Equal to present desirable criteria
Operating rating26.1 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic561 (2020)
Projected traffic646 by 2025
Trucks10%
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 Jericho Lane over North Unit Canal built?

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

What condition is Jericho Lane over North Unit 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 November 2024.

How much traffic does Jericho Lane over North Unit Canal carry?

About 561 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Jericho Lane over North Unit Canal?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Jericho Lane over North Unit Canal?

It is owned by the County Highway Agency.