US Bridges

South Ott Road over A Line Canal

Fair

Umatilla County, Oregon · 0.3 MI N of East Loop RD · Structure no. 59C231121100025

Built
1939
86 years old, rebuilt 1982
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
146
2020 count
Owner
County
County Highway Agency

About this bridge

South Ott Road over A Line Canal is a wood or timber stringer/multi-beam or girder carrying South Ott Road over A Line Canal in Umatilla County, Oregon. It was built in 1939 and reconstructed in 1982, so it is 86 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 6 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 146 vehicles a day, roughly 10% of them trucks, projected to reach 161 by 2025. The structure is 31 ft (9.4 m) long and 20 ft wide.

Location

Open in Google Maps
CarriesSouth Ott Road
CrossesA Line Canal
Location0.3 MI N of East Loop RD
RouteCounty Highway 0
CountyUmatilla County
StateOregon
Coordinates45.84132, -119.24856
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.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
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 rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2020)
Projected traffic161 by 2025
Trucks10%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$159,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South Ott Road over A Line Canal built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1982.

What condition is South Ott Road over A Line 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 South Ott Road over A Line Canal carry?

About 146 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is South Ott Road over A Line Canal?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns South Ott Road over A Line Canal?

It is owned by the County Highway Agency.