US Bridges

Lake Cavanaugh RD over Bear Creek

Fair

Skagit County, Washington · 8.0 E JCT SR 9 · Structure no. 082263000000000

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
578
2021 count
Owner
County
County Highway Agency

About this bridge

Lake Cavanaugh RD over Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying Lake Cavanaugh RD over Bear Creek in Skagit County, Washington. It was built in 1967, so it is 58 years old, older than the Washington average of 49.8 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 578 vehicles a day, roughly 10% of them trucks, projected to reach 859 by 2041. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLake Cavanaugh RD
CrossesBear Creek
Location8.0 E JCT SR 9
RouteCounty Highway 200
Coordinates48.34464, -122.06738
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic578 (2021)
Projected traffic859 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$640,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Cavanaugh RD over Bear Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Lake Cavanaugh RD over Bear 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 August 2024.

How much traffic does Lake Cavanaugh RD over Bear Creek carry?

About 578 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Lake Cavanaugh RD over Bear Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns Lake Cavanaugh RD over Bear Creek?

It is owned by the County Highway Agency.