US Bridges

Jack Slough RD over Jack Slough

Fair

Yuba County, California · 0.2 MI North Kimball RD · Structure no. 16C0064

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
153 ft
5 main spans
Daily traffic
590
2011 count
Owner
County
County Highway Agency

About this bridge

Jack Slough RD over Jack Slough is a concrete continuous slab carrying Jack Slough RD over Jack Slough in Yuba County, California. It was built in 1982, so it is 43 years old, younger 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 590 vehicles a day, roughly 4% of them trucks, projected to reach 869 by 2045. The structure is 153 ft (46.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesJack Slough RD
CrossesJack Slough
Location0.2 MI North Kimball RD
RouteCounty Highway 0
CountyYuba County
StateCalifornia
Coordinates39.18013, -121.57112
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length153 ft (46.5 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic590 (2011)
Projected traffic869 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Jack Slough RD over Jack Slough built?

It was built in 1982, making it 43 years old in 2025.

What condition is Jack Slough RD over Jack 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 March 2023.

How much traffic does Jack Slough RD over Jack Slough carry?

About 590 vehicles per day (2011 count), of which roughly 4% are trucks.

How long is Jack Slough RD over Jack Slough?

The structure is 153 ft (46.5 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Jack Slough RD over Jack Slough?

It is owned by the County Highway Agency.