US Bridges

North Ash Road over Stage Gulch Ditch

FairPosted for load

Umatilla County, Oregon · Int With N Loop RD · Structure no. 59C195118100001

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

North Ash Road over Stage Gulch Ditch is a steel stringer/multi-beam or girder carrying North Ash Road over Stage Gulch Ditch in Umatilla County, Oregon. It was built in 1986, so it is 39 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 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 112 vehicles a day, roughly 20% of them trucks, projected to reach 132 by 2025. The structure is 41 ft (12.5 m) long and 22 ft wide.

CarriesNorth Ash Road
CrossesStage Gulch Ditch
LocationInt With N Loop RD
RouteCounty Highway 0
StateOregon
Coordinates45.78304, -119.19463
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
Deck7 GoodSome minor problems.
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 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 rating26.8 US tons
Inventory rating20.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic132 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 North Ash Road over Stage Gulch Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is North Ash 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 Ash Road over Stage Gulch Ditch carry?

About 112 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is North Ash Road over Stage Gulch Ditch?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns North Ash Road over Stage Gulch Ditch?

It is owned by the County Highway Agency.