US Bridges

West Fork Road over Deadwood Creek

Fair

Lane County, Oregon · 055 MI NE HWY36 at Deadwd · Structure no. 39C546514200001

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

West Fork Road over Deadwood Creek is a prestressed concrete stringer/multi-beam or girder carrying West Fork Road over Deadwood Creek in Lane County, Oregon. It was built in 1975, so it is 50 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 112 vehicles a day, projected to reach 117 by 2025. The structure is 90 ft (27.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesWest Fork Road
CrossesDeadwood Creek
Location055 MI NE HWY36 at Deadwd
RouteCounty Highway C5142
CountyLane County
StateOregon
Coordinates44.13487, -123.73256
Functional classRural Local

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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic117 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-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 West Fork Road over Deadwood Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is West Fork Road 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 West Fork Road over Deadwood Creek carry?

About 112 vehicles per day (2020 count).

How long is West Fork Road over Deadwood Creek?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 24 ft wide.

Who owns West Fork Road over Deadwood Creek?

It is owned by the County Highway Agency.