US Bridges

North Loop Road over Stage Gulch Ditch

FairPosted for load

Umatilla County, Oregon · 1.5 MI NE of S Edwards RD · Structure no. 59C194117500452

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
529
2020 count
Owner
County
County Highway Agency

About this bridge

North Loop Road over Stage Gulch Ditch is a steel stringer/multi-beam or girder carrying North Loop Road over Stage Gulch Ditch in Umatilla County, Oregon. It was built in 1963, so it is 62 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. Its operating status is: posted for load restriction.

It carries about 529 vehicles a day, roughly 10% of them trucks, projected to reach 614 by 2025. The structure is 36 ft (11 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesNorth Loop Road
CrossesStage Gulch Ditch
Location1.5 MI NE of S Edwards RD
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.78791, -119.18449
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2020)
Projected traffic614 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was North Loop Road over Stage Gulch Ditch built?

It was built in 1963, making it 62 years old in 2025.

What condition is North Loop Road over Stage Gulch Ditch 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 July 2024.

How much traffic does North Loop Road over Stage Gulch Ditch carry?

About 529 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is North Loop Road over Stage Gulch Ditch?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 20 ft wide.

Who owns North Loop Road over Stage Gulch Ditch?

It is owned by the County Highway Agency.