US Bridges

Adams RD over Spring Creek

FairPosted for load

Umatilla County, Oregon · 2.0 MI SW of HWY 335 · Structure no. 59C359097300435

Built
1924
101 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
162
2020 count
Owner
County
County Highway Agency

About this bridge

Adams RD over Spring Creek is a concrete continuous culvert carrying Adams RD over Spring Creek in Umatilla County, Oregon. It was built in 1924, so it is 101 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. Its operating status is: posted for load restriction.

It carries about 162 vehicles a day, roughly 10% of them trucks, projected to reach 188 by 2025. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAdams RD
CrossesSpring Creek
Location2.0 MI SW of HWY 335
RouteCounty Highway 0
StateOregon
Coordinates45.72041, -118.68844
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2020)
Projected traffic188 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Adams RD over Spring Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is Adams RD over Spring Creek 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 2023.

How much traffic does Adams RD over Spring Creek carry?

About 162 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Adams RD over Spring Creek?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns Adams RD over Spring Creek?

It is owned by the County Highway Agency.