US Bridges

Low.Deadwd CR RD over Cougar Creek

Poor

Lane County, Oregon · 140 MI No Swisshome · Structure no. 04068A514001000

Built
1976
49 years old
Condition
Poor
inspected August 2023
Type
Slab
Prestressed Concrete
Length
57 ft
2 main spans
Daily traffic
87
2020 count
Owner
County
County Highway Agency

About this bridge

Low.Deadwd CR RD over Cougar Creek is a prestressed concrete slab carrying Low.Deadwd CR RD over Cougar Creek in Lane County, Oregon. It was built in 1976, so it is 49 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 87 vehicles a day, projected to reach 102 by 2025. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLow.Deadwd CR RD
CrossesCougar Creek
Location140 MI No Swisshome
RouteCounty Highway C5140
StateOregon
Coordinates44.19373, -123.71071
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2020)
Projected traffic102 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 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 Low.Deadwd CR RD over Cougar Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Low.Deadwd CR RD over Cougar Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Low.Deadwd CR RD over Cougar Creek carry?

About 87 vehicles per day (2020 count).

How long is Low.Deadwd CR RD over Cougar Creek?

The structure is 57 ft (17.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Low.Deadwd CR RD over Cougar Creek?

It is owned by the County Highway Agency.