US Bridges

County RD 33 over Lost Creek

Fair

Douglas County, Oregon · 15 MI NW of Sutherlin · Structure no. 19C224 33 1902

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
3 main spans
Daily traffic
286
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 33 over Lost Creek is a steel stringer/multi-beam or girder carrying County RD 33 over Lost Creek in Douglas County, Oregon. It was built in 1980, so it is 45 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 286 vehicles a day, roughly 5% of them trucks, projected to reach 326 by 2025. The structure is 141 ft (43 m) long and 28 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesCounty RD 33
CrossesLost Creek
Location15 MI NW of Sutherlin
RouteCounty Highway 0A403
CountyDouglas County
StateOregon
Coordinates43.46958, -123.52518
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (43 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic286 (2020)
Projected traffic326 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 33 over Lost Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is County RD 33 over Lost 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 October 2024.

How much traffic does County RD 33 over Lost Creek carry?

About 286 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County RD 33 over Lost Creek?

The structure is 141 ft (43 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns County RD 33 over Lost Creek?

It is owned by the County Highway Agency.