US Bridges

County Road 94 over Willow Spring Creek

Good

Yolo County, California · 0.01 MI South of CR 13 · Structure no. 22C0141

Built
1970
55 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
700
2015 count
Owner
County
County Highway Agency

About this bridge

County Road 94 over Willow Spring Creek is a concrete continuous culvert carrying County Road 94 over Willow Spring Creek in Yolo County, California. It was built in 1970, so it is 55 years old, older 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 890 by 2047. The structure is 27 ft (8.2 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Road 94
CrossesWillow Spring Creek
Location0.01 MI South of CR 13
RouteCounty Highway 0
Coordinates38.794, -121.88205
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span9 ft (2.6 m)
Deck width70 ft (21.3 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2015)
Projected traffic890 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 94 over Willow Spring Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road 94 over Willow Spring Creek 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 January 2025.

How much traffic does County Road 94 over Willow Spring Creek carry?

About 700 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is County Road 94 over Willow Spring Creek?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.6 m) and a deck 70 ft wide.

Who owns County Road 94 over Willow Spring Creek?

It is owned by the County Highway Agency.