US Bridges

31 S 07 W 19.00: over Cow Creek

Fair

Douglas County, Oregon · 13.5 Miles W of County Ro · Structure no. 0000000L1439318

Built
1963
62 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
284 ft
4 main spans
Daily traffic
25
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

31 S 07 W 19.00: over Cow Creek is a concrete stringer/multi-beam or girder carrying 31 S 07 W 19.00: over Cow Creek in Douglas County, Oregon. It was built in 1963, so it is 62 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2043. The structure is 284 ft (86.6 m) long and 29 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries31 S 07 W 19.00:
CrossesCow Creek
Location13.5 Miles W of County Ro
RouteFederal Lands Road 0
StateOregon
Coordinates42.86694, -123.57444
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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.7 US tons
Inventory rating24.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length284 ft (86.6 m)
Longest span90 ft (27.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic35 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 31 S 07 W 19.00: over Cow Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is 31 S 07 W 19.00: 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 April 2023.

How much traffic does 31 S 07 W 19.00: over Cow Creek carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 31 S 07 W 19.00: over Cow Creek?

The structure is 284 ft (86.6 m) long with a longest span of 90 ft (27.4 m) and a deck 29 ft wide.

Who owns 31 S 07 W 19.00: over Cow Creek?

It is owned by the Bureau of Land Management.