US Bridges

County RD 5 over Cow Hollow Creek

Fair

Douglas County, Oregon · 5.2 MI W of Roseburg · Structure no. 19C341 5 524

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
2,394
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 5 over Cow Hollow Creek is a steel stringer/multi-beam or girder carrying County RD 5 over Cow Hollow Creek in Douglas County, Oregon. It was built in 1969, so it is 56 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 2,394 vehicles a day, roughly 10% of them trucks, projected to reach 2,709 by 2025. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCounty RD 5
CrossesCow Hollow Creek
Location5.2 MI W of Roseburg
RouteCounty Highway 0A394
CountyDouglas County
StateOregon
Coordinates43.18615, -123.47059
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,394 (2020)
Projected traffic2,709 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 County RD 5 over Cow Hollow Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is County RD 5 over Cow Hollow 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 July 2023.

How much traffic does County RD 5 over Cow Hollow Creek carry?

About 2,394 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is County RD 5 over Cow Hollow Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 31 ft wide.

Who owns County RD 5 over Cow Hollow Creek?

It is owned by the County Highway Agency.