US Bridges

Deadwood CR RD over Deadwood Creek

Fair

Lane County, Oregon · 154 MI No of Swisshome · Structure no. 39C555516000136

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
33
2020 count
Owner
County
County Highway Agency

About this bridge

Deadwood CR RD over Deadwood Creek is a concrete continuous tee beam carrying Deadwood CR RD over Deadwood Creek in Lane County, Oregon. It was built in 1964, so it is 61 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 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 33 vehicles a day, projected to reach 38 by 2025. The structure is 78 ft (23.8 m) long and 17 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesDeadwood CR RD
CrossesDeadwood Creek
Location154 MI No of Swisshome
RouteCounty Highway C5160
CountyLane County
StateOregon
Coordinates44.20851, -123.69976
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span52 ft (15.8 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2020)
Projected traffic38 by 2025
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Deadwood CR RD over Deadwood Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Deadwood CR RD over Deadwood 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 August 2023.

How much traffic does Deadwood CR RD over Deadwood Creek carry?

About 33 vehicles per day (2020 count).

How long is Deadwood CR RD over Deadwood Creek?

The structure is 78 ft (23.8 m) long with a longest span of 52 ft (15.8 m) and a deck 17 ft wide.

Who owns Deadwood CR RD over Deadwood Creek?

It is owned by the County Highway Agency.