US Bridges

County RD 115 over Sutherlin CR

Fair

Douglas County, Oregon · 2.0 MI W of Winchester · Structure no. 19C183 115 172

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
4 main spans
Daily traffic
2,737
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 115 over Sutherlin CR is a steel stringer/multi-beam or girder carrying County RD 115 over Sutherlin CR in Douglas County, Oregon. It was built in 1951, so it is 74 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 2,737 vehicles a day, roughly 5% of them trucks, projected to reach 3,088 by 2025. The structure is 88 ft (26.8 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCounty RD 115
CrossesSutherlin CR
Location2.0 MI W of Winchester
RouteCounty Highway 0A402
StateOregon
Coordinates43.3029, -123.3759
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment7: Better than present minimum criteria
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,737 (2020)
Projected traffic3,088 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 115 over Sutherlin CR built?

It was built in 1951, making it 74 years old in 2025.

What condition is County RD 115 over Sutherlin CR 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 April 2023.

How much traffic does County RD 115 over Sutherlin CR carry?

About 2,737 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 115 over Sutherlin CR?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 32 ft wide.

Who owns County RD 115 over Sutherlin CR?

It is owned by the County Highway Agency.