US Bridges

Deadwood CR RD over Deadwood Creek

Fair

Lane County, Oregon · 092 MI No of Swisshome · Structure no. 01698A514000519

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Deadwood CR RD over Deadwood Creek is a prestressed concrete slab carrying Deadwood CR RD over Deadwood Creek in Lane 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 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.

It carries about 180 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2025. The structure is 144 ft (43.9 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesDeadwood CR RD
CrossesDeadwood Creek
Location092 MI No of Swisshome
RouteCounty Highway C5140
StateOregon
Coordinates44.14627, -123.72309
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic200 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Deadwood CR RD over Deadwood Creek built?

It was built in 1965, making it 60 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 180 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Deadwood CR RD over Deadwood Creek?

The structure is 144 ft (43.9 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns Deadwood CR RD over Deadwood Creek?

It is owned by the County Highway Agency.