US Bridges

Feather River Blvd over Lake of the Woods Slough

Fair

Yuba County, California · 1.8 MI West of S.R. 70 · Structure no. 16C0028

Built
1926
99 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
770
2011 count
Owner
County
County Highway Agency

About this bridge

Feather River Blvd over Lake of the Woods Slough is a concrete continuous tee beam carrying Feather River Blvd over Lake of the Woods Slough in Yuba County, California. It was built in 1926, so it is 99 years old, older than the California average of 54.8 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 770 vehicles a day, roughly 5% of them trucks, projected to reach 887 by 2046. The structure is 72 ft (21.9 m) long and 24 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesFeather River Blvd
CrossesLake of the Woods Slough
Location1.8 MI West of S.R. 70
RouteCounty Highway 0
Coordinates38.97261, -121.56819
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span24 ft (7.2 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2011)
Projected traffic887 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Feather River Blvd over Lake of the Woods Slough built?

It was built in 1926, making it 99 years old in 2025.

What condition is Feather River Blvd over Lake of the Woods Slough 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 Feather River Blvd over Lake of the Woods Slough carry?

About 770 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Feather River Blvd over Lake of the Woods Slough?

The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.2 m) and a deck 24 ft wide.

Who owns Feather River Blvd over Lake of the Woods Slough?

It is owned by the County Highway Agency.