US Bridges

Or 138 (hwy 231) over Dodge Creek

Good

Douglas County, Oregon · 029 MI S Sutherlin · Structure no. 21163 231 02115

Built
2010
15 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
2,376
2022 count
Owner
State
State Highway Agency

About this bridge

Or 138 (hwy 231) over Dodge Creek is a steel stringer/multi-beam or girder carrying Or 138 (hwy 231) over Dodge Creek in Douglas County, Oregon. It was built in 2010, so it is 15 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,376 vehicles a day, roughly 16% of them trucks, projected to reach 2,600 by 2042. The structure is 129 ft (39.3 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOr 138 (hwy 231)
CrossesDodge Creek
Location029 MI S Sutherlin
RouteState Highway 138
StateOregon
Coordinates43.41146, -123.38337
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length129 ft (39.3 m)
Longest span129 ft (39.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,376 (2022)
Projected traffic2,600 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Dodge Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Or 138 (hwy 231) over Dodge Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

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

About 2,376 vehicles per day (2022 count), of which roughly 16% are trucks.

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

The structure is 129 ft (39.3 m) long with a longest span of 129 ft (39.3 m) and a deck 43 ft wide.

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

It is owned by the State Highway Agency.