US Bridges

County Road 90A over Long Creek

Good

Yolo County, California · 0.25 MI N of CR #19 · Structure no. 22C0073

Built
1977
48 years old
Condition
Good
inspected January 2023
Type
Slab
Concrete Continuous
Length
129 ft
4 main spans
Daily traffic
250
2014 count
Owner
County
County Highway Agency

About this bridge

County Road 90A over Long Creek is a concrete continuous slab carrying County Road 90A over Long Creek in Yolo County, California. It was built in 1977, so it is 48 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 312 by 2041. The structure is 129 ft (39.3 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty Road 90A
CrossesLong Creek
Location0.25 MI N of CR #19
RouteCounty Highway 0
CountyYolo County
StateCalifornia
Coordinates38.72255, -121.95742
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length129 ft (39.3 m)
Longest span36 ft (11 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2014)
Projected traffic312 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 90A over Long Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is County Road 90A over Long 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 2023.

How much traffic does County Road 90A over Long Creek carry?

About 250 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is County Road 90A over Long Creek?

The structure is 129 ft (39.3 m) long with a longest span of 36 ft (11 m) and a deck 35 ft wide.

Who owns County Road 90A over Long Creek?

It is owned by the County Highway Agency.