US Bridges

US101(HWY009) over Umpqua R & Mcintosh Sl

FairPosted for load

Douglas County, Oregon · 00.5 MI N HWY 045 JCT · Structure no. 01822 009 21111

Built
1936
89 years old, rebuilt 1966
Condition
Fair
inspected August 2023
Type
Movable - Swing
Steel Continuous
Length
2,213 ft
2 main spans
Daily traffic
6,338
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Umpqua R & Mcintosh Sl is a steel continuous movable - swing carrying US101(HWY009) over Umpqua R & Mcintosh Sl in Douglas County, Oregon. It was built in 1936 and reconstructed in 1966, so it is 89 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. Its operating status is: posted for other load-capacity restriction.

It carries about 6,338 vehicles a day, roughly 16% of them trucks, projected to reach 6,400 by 2042. The structure is 2,213 ft (674.4 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS101(HWY009)
CrossesUmpqua R & Mcintosh Sl
Location00.5 MI N HWY 045 JCT
RouteU.S. Route 101
CountyDouglas County
StateOregon
Coordinates43.70832, -124.10175
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating20 US tons

Structure

Structure typeMovable - Swing
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+27 approach)
Design loadH 15
Structure length2,213 ft (674.4 m)
Longest span430 ft (131.1 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck13 ft (4.1 m)

Traffic and service

Average daily traffic6,338 (2022)
Projected traffic6,400 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$11.3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US101(HWY009) over Umpqua R & Mcintosh Sl built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1966.

What condition is US101(HWY009) over Umpqua R & Mcintosh Sl 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 2023.

How much traffic does US101(HWY009) over Umpqua R & Mcintosh Sl carry?

About 6,338 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US101(HWY009) over Umpqua R & Mcintosh Sl?

The structure is 2,213 ft (674.4 m) long with a longest span of 430 ft (131.1 m) and a deck 36 ft wide.

Who owns US101(HWY009) over Umpqua R & Mcintosh Sl?

It is owned by the State Highway Agency.