US Bridges

County RD 9 over Calapooya Creek

Fair

Douglas County, Oregon · 3.0 MI W of Sutherlin · Structure no. 20369 009 00264

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
1 main span
Daily traffic
1,860
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 9 over Calapooya Creek is a steel stringer/multi-beam or girder carrying County RD 9 over Calapooya Creek in Douglas County, Oregon. It was built in 2005, so it is 20 years old, younger 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.

It carries about 1,860 vehicles a day, roughly 7% of them trucks, projected to reach 2,105 by 2025. The structure is 290 ft (88.4 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCounty RD 9
CrossesCalapooya Creek
Location3.0 MI W of Sutherlin
RouteCounty Highway 0A401
CountyDouglas County
StateOregon
Coordinates43.38331, -123.39408
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length290 ft (88.4 m)
Longest span114 ft (34.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,860 (2020)
Projected traffic2,105 by 2025
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 9 over Calapooya Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is County RD 9 over Calapooya 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 County RD 9 over Calapooya Creek carry?

About 1,860 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is County RD 9 over Calapooya Creek?

The structure is 290 ft (88.4 m) long with a longest span of 114 ft (34.7 m) and a deck 39 ft wide.

Who owns County RD 9 over Calapooya Creek?

It is owned by the County Highway Agency.