US Bridges

County Road 95B over Sycamore Slough

Fair

Yolo County, California · 0.10 MI S of Route 45 · Structure no. 22C0084

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
114 ft
4 main spans
Daily traffic
25
2014 count
Owner
County
County Highway Agency

About this bridge

County Road 95B over Sycamore Slough is a concrete continuous slab carrying County Road 95B over Sycamore Slough in Yolo County, California. It was built in 1961, so it is 64 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 25 vehicles a day, roughly 20% of them trucks, projected to reach 38 by 2047. The structure is 114 ft (34.7 m) long and 32 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCounty Road 95B
CrossesSycamore Slough
Location0.10 MI S of Route 45
RouteCounty Highway 0
Coordinates38.88086, -121.84373
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2014)
Projected traffic38 by 2047
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 County Road 95B over Sycamore Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is County Road 95B over Sycamore 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 January 2025.

How much traffic does County Road 95B over Sycamore Slough carry?

About 25 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is County Road 95B over Sycamore Slough?

The structure is 114 ft (34.7 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns County Road 95B over Sycamore Slough?

It is owned by the County Highway Agency.