US Bridges

Deer Ck Ridge Road over Cow Creek

Fair

Jackson County, Oregon · Beaver · Structure no. 050551000001030

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Deer Ck Ridge Road over Cow Creek is a wood or timber stringer/multi-beam or girder carrying Deer Ck Ridge Road over Cow Creek in Jackson County, Oregon. It was built in 1968, so it is 57 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 47 ft (14.2 m) long and 15 ft wide.

CarriesDeer Ck Ridge Road
CrossesCow Creek
LocationBeaver
RouteFederal Lands Road 41S15
StateOregon
Coordinates42.01345, -122.78871
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length47 ft (14.2 m)
Longest span44 ft (13.4 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Deer Ck Ridge Road over Cow Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Deer Ck Ridge Road over Cow 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 September 2024.

How much traffic does Deer Ck Ridge Road over Cow Creek carry?

About 50 vehicles per day (latest count).

How long is Deer Ck Ridge Road over Cow Creek?

The structure is 47 ft (14.2 m) long with a longest span of 44 ft (13.4 m) and a deck 15 ft wide.

Who owns Deer Ck Ridge Road over Cow Creek?

It is owned by the U.S. Forest Service.