US Bridges

East Highland Ext. over Furnish Canal

FairPosted for load

Umatilla County, Oregon · 03 MI W of N Loop RD · Structure no. 23846 000 00460

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
300
2018 count
Owner
County
County Highway Agency

About this bridge

East Highland Ext. over Furnish Canal is a concrete continuous culvert carrying East Highland Ext. over Furnish Canal in Umatilla County, Oregon. It was built in 1980, so it is 45 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 413 by 2038. The structure is 25 ft (7.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesEast Highland Ext.
CrossesFurnish Canal
Location03 MI W of N Loop RD
RouteCounty Highway C0000
CountyUmatilla County
StateOregon
Coordinates45.83514, -119.15895
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 rating31.1 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2018)
Projected traffic413 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 East Highland Ext. over Furnish Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is East Highland Ext. over Furnish 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 East Highland Ext. over Furnish Canal carry?

About 300 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is East Highland Ext. over Furnish Canal?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns East Highland Ext. over Furnish Canal?

It is owned by the County Highway Agency.