US Bridges

Or 138 (hwy 231) over Yellow Creek

Fair

Douglas County, Oregon · 124 MI S Elkton · Structure no. 01995 231 01236

Built
1934
91 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
1,757
2022 count
Owner
State
State Highway Agency

About this bridge

Or 138 (hwy 231) over Yellow Creek is a steel stringer/multi-beam or girder carrying Or 138 (hwy 231) over Yellow Creek in Douglas County, Oregon. It was built in 1934, so it is 91 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.

It carries about 1,757 vehicles a day, roughly 19% of them trucks, projected to reach 1,900 by 2042. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 22.4 mi (36 km).

Location

Open in Google Maps
CarriesOr 138 (hwy 231)
CrossesYellow Creek
Location124 MI S Elkton
RouteState Highway 138
CountyDouglas County
StateOregon
Coordinates43.49132, -123.4854
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length140 ft (42.7 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,757 (2022)
Projected traffic1,900 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed22.4 mi (36 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 138 (hwy 231) over Yellow Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Or 138 (hwy 231) over Yellow 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 February 2024.

How much traffic does Or 138 (hwy 231) over Yellow Creek carry?

About 1,757 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Or 138 (hwy 231) over Yellow Creek?

The structure is 140 ft (42.7 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns Or 138 (hwy 231) over Yellow Creek?

It is owned by the State Highway Agency.