US Bridges

County RD 1 over A Small Creek

Fair

Douglas County, Oregon · 3.0 MI E of Canyonville · Structure no. 19C470 1 670

Built
1959
66 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
23 ft
1 main span
Daily traffic
4,497
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1 over A Small Creek is a concrete channel beam carrying County RD 1 over A Small Creek in Douglas County, Oregon. It was built in 1959, so it is 66 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 4,497 vehicles a day, roughly 15% of them trucks, projected to reach 5,087 by 2025. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

Open in Google Maps
CarriesCounty RD 1
CrossesA Small Creek
Location3.0 MI E of Canyonville
RouteCounty Highway 0A410
CountyDouglas County
StateOregon
Coordinates42.95849, -123.23211
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,497 (2020)
Projected traffic5,087 by 2025
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1 over A Small Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is County RD 1 over A Small 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 June 2023.

How much traffic does County RD 1 over A Small Creek carry?

About 4,497 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is County RD 1 over A Small Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns County RD 1 over A Small Creek?

It is owned by the County Highway Agency.