US Bridges

County Road 95 over Union School Slough

Good

Yolo County, California · 0.2 MI N of C.R. #29 · Structure no. 22C0086

Built
1980
45 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
45 ft
1 main span
Daily traffic
1,080
2009 count
Owner
County
County Highway Agency

About this bridge

County Road 95 over Union School Slough is a concrete slab carrying County Road 95 over Union School Slough in Yolo County, California. It was built in 1980, so it is 45 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 1,080 vehicles a day, roughly 6% of them trucks, projected to reach 2,054 by 2045. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 95
CrossesUnion School Slough
Location0.2 MI N of C.R. #29
RouteCounty Highway 0
CountyYolo County
StateCalifornia
Coordinates38.59353, -121.85856
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating76.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2009)
Projected traffic2,054 by 2045
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 95 over Union School Slough built?

It was built in 1980, making it 45 years old in 2025.

What condition is County Road 95 over Union School 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 November 2023.

How much traffic does County Road 95 over Union School Slough carry?

About 1,080 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is County Road 95 over Union School Slough?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 31 ft wide.

Who owns County Road 95 over Union School Slough?

It is owned by the County Highway Agency.