US Bridges

Upper Deadwd CR over Cougar Creek

Fair

Lane County, Oregon · 162 MI No Swisshome · Structure no. 004066514001208

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Upper Deadwd CR over Cougar Creek is a prestressed concrete slab carrying Upper Deadwd CR over Cougar Creek in Lane County, Oregon. It was built in 1986, so it is 39 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 90 vehicles a day, projected to reach 105 by 2025. The structure is 46 ft (14 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUpper Deadwd CR
CrossesCougar Creek
Location162 MI No Swisshome
RouteCounty Highway C5140
CountyLane County
StateOregon
Coordinates44.20394, -123.73311
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span45 ft (13.7 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic105 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 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 Upper Deadwd CR over Cougar Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Upper Deadwd CR over Cougar 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 Upper Deadwd CR over Cougar Creek carry?

About 90 vehicles per day (2020 count).

How long is Upper Deadwd CR over Cougar Creek?

The structure is 46 ft (14 m) long with a longest span of 45 ft (13.7 m) and a deck 18 ft wide.

Who owns Upper Deadwd CR over Cougar Creek?

It is owned by the County Highway Agency.