US Bridges

Hubbard CR RD over Umpqua River

Fair

Douglas County, Oregon · 0.5 MI W of Umpqua Store · Structure no. 19C231000601454

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
582 ft
4 main spans
Daily traffic
1,182
2020 count
Owner
County
County Highway Agency

About this bridge

Hubbard CR RD over Umpqua River is a prestressed concrete stringer/multi-beam or girder carrying Hubbard CR RD over Umpqua River in Douglas County, Oregon. It was built in 1970, so it is 55 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 1,182 vehicles a day, roughly 5% of them trucks, projected to reach 1,337 by 2025. The structure is 582 ft (177.4 m) long and 32 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesHubbard CR RD
CrossesUmpqua River
Location0.5 MI W of Umpqua Store
RouteCounty Highway C0006
CountyDouglas County
StateOregon
Coordinates43.36599, -123.46854
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 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 rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length582 ft (177.4 m)
Longest span220 ft (67.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,182 (2020)
Projected traffic1,337 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Hubbard CR RD over Umpqua River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Hubbard CR RD over Umpqua River 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 2024.

How much traffic does Hubbard CR RD over Umpqua River carry?

About 1,182 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hubbard CR RD over Umpqua River?

The structure is 582 ft (177.4 m) long with a longest span of 220 ft (67.1 m) and a deck 32 ft wide.

Who owns Hubbard CR RD over Umpqua River?

It is owned by the County Highway Agency.