US Bridges

US101 (hwy 9) over Devils Lake Outlet

Good

Lincoln County, Oregon · 020 MI N Lincoln C N C Lt · Structure no. 00922A009 11488

Built
1949
76 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
24,113
2022 count
Owner
State
State Highway Agency

About this bridge

US101 (hwy 9) over Devils Lake Outlet is a concrete continuous tee beam carrying US101 (hwy 9) over Devils Lake Outlet in Lincoln County, Oregon. It was built in 1949, so it is 76 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,113 vehicles a day, roughly 2% of them trucks, projected to reach 24,200 by 2042. The structure is 100 ft (30.5 m) long and 73 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS101 (hwy 9)
CrossesDevils Lake Outlet
Location020 MI N Lincoln C N C Lt
RouteU.S. Route 101
StateOregon
Coordinates44.96758, -124.0162
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width73 ft (22.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,113 (2022)
Projected traffic24,200 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$512,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US101 (hwy 9) over Devils Lake Outlet built?

It was built in 1949, making it 76 years old in 2025.

What condition is US101 (hwy 9) over Devils Lake Outlet in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does US101 (hwy 9) over Devils Lake Outlet carry?

About 24,113 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is US101 (hwy 9) over Devils Lake Outlet?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 73 ft wide.

Who owns US101 (hwy 9) over Devils Lake Outlet?

It is owned by the State Highway Agency.