US Bridges

County RD 388 over Sutherlin Creek

FairPosted for load

Douglas County, Oregon · 1.1 MI N of Wilbur Po · Structure no. 19C454 388 838

Built
1921
104 years old, rebuilt 1975
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
3,817
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 388 over Sutherlin Creek is a concrete tee beam carrying County RD 388 over Sutherlin Creek in Douglas County, Oregon. It was built in 1921 and reconstructed in 1975, so it is 104 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. Its operating status is: posted for load restriction.

It carries about 3,817 vehicles a day, roughly 5% of them trucks, projected to reach 4,306 by 2025. The structure is 46 ft (14 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesCounty RD 388
CrossesSutherlin Creek
Location1.1 MI N of Wilbur Po
RouteCounty Highway 0A411
CountyDouglas County
StateOregon
Coordinates43.33564, -123.33426
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.1 US tons
Inventory rating9.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,817 (2020)
Projected traffic4,306 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 388 over Sutherlin Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1975.

What condition is County RD 388 over Sutherlin 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 April 2024.

How much traffic does County RD 388 over Sutherlin Creek carry?

About 3,817 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 388 over Sutherlin Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns County RD 388 over Sutherlin Creek?

It is owned by the County Highway Agency.