US Bridges

Algodon RD over Algodon Slough

Good

Yuba County, California · 0.1 MI West of S.R. 70 · Structure no. 16C0039

Built
1979
46 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
2,500
2010 count
Owner
County
County Highway Agency

About this bridge

Algodon RD over Algodon Slough is a concrete continuous slab carrying Algodon RD over Algodon Slough in Yuba County, California. It was built in 1979, so it is 46 years old, younger than the California average of 54.8 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,915 by 2046. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesAlgodon RD
CrossesAlgodon Slough
Location0.1 MI West of S.R. 70
RouteCounty Highway 0
Coordinates39.02627, -121.54935
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating100.8 US tons
Inventory rating60.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span24 ft (7.2 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2010)
Projected traffic3,915 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Algodon RD over Algodon Slough built?

It was built in 1979, making it 46 years old in 2025.

What condition is Algodon RD over Algodon Slough 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 August 2024.

How much traffic does Algodon RD over Algodon Slough carry?

About 2,500 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Algodon RD over Algodon Slough?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.2 m) and a deck 33 ft wide.

Who owns Algodon RD over Algodon Slough?

It is owned by the County Highway Agency.