US Bridges

25 S 07 W 05.01: over Umpqua River

Fair

Douglas County, Oregon · 0.01 Miles W of County Ro · Structure no. 0000000L1439290

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
617 ft
7 main spans
Daily traffic
50
2023 count
Owner
Federal
Bureau of Land Management

About this bridge

25 S 07 W 05.01: over Umpqua River is a concrete box beam or girders - single or spread carrying 25 S 07 W 05.01: over Umpqua River in Douglas County, Oregon. It was built in 1962, so it is 63 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2043. The structure is 617 ft (188.1 m) long and 19 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
Carries25 S 07 W 05.01:
CrossesUmpqua River
Location0.01 Miles W of County Ro
RouteFederal Lands Road 0
CountyDouglas County
StateOregon
Coordinates43.43083, -123.56472
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length617 ft (188.1 m)
Longest span135 ft (41.1 m)
Deck width19 ft (5.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic40 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$26,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 25 S 07 W 05.01: over Umpqua River built?

It was built in 1962, making it 63 years old in 2025.

What condition is 25 S 07 W 05.01: 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 April 2023.

How much traffic does 25 S 07 W 05.01: over Umpqua River carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 25 S 07 W 05.01: over Umpqua River?

The structure is 617 ft (188.1 m) long with a longest span of 135 ft (41.1 m) and a deck 19 ft wide.

Who owns 25 S 07 W 05.01: over Umpqua River?

It is owned by the Bureau of Land Management.