US Bridges

County RD 154 over Sutherlin Creek

Good

Douglas County, Oregon · 1.0 MI S of Sutherlin · Structure no. 19C505 154 003

Built
1965
60 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
13,287
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 154 over Sutherlin Creek is a concrete continuous slab carrying County RD 154 over Sutherlin Creek in Douglas County, Oregon. It was built in 1965, so it is 60 years old, older 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 13,287 vehicles a day, roughly 10% of them trucks, projected to reach 18,043 by 2025. The structure is 83 ft (25.3 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty RD 154
CrossesSutherlin Creek
Location1.0 MI S of Sutherlin
RouteCounty Highway 0A960
StateOregon
Coordinates43.36839, -123.32813
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span32 ft (9.8 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,287 (2020)
Projected traffic18,043 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$425,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 154 over Sutherlin Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is County RD 154 over Sutherlin 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 April 2023.

How much traffic does County RD 154 over Sutherlin Creek carry?

About 13,287 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 154 over Sutherlin Creek?

The structure is 83 ft (25.3 m) long with a longest span of 32 ft (9.8 m) and a deck 35 ft wide.

Who owns County RD 154 over Sutherlin Creek?

It is owned by the County Highway Agency.