US Bridges

C. R. 85 over West Adams Canal

Fair

Yolo County, California · 1 Mile North of Capay · Structure no. 22C0081

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
461
2013 count
Owner
County
County Highway Agency

About this bridge

C. R. 85 over West Adams Canal is a concrete slab carrying C. R. 85 over West Adams Canal in Yolo County, California. It was built in 1930, so it is 95 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 461 vehicles a day, roughly 2% of them trucks, projected to reach 436 by 2041. The structure is 21 ft (6.4 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesC. R. 85
CrossesWest Adams Canal
Location1 Mile North of Capay
RouteCounty Highway 0
Coordinates38.71482, -122.04677
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic461 (2013)
Projected traffic436 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was C. R. 85 over West Adams Canal built?

It was built in 1930, making it 95 years old in 2025.

What condition is C. R. 85 over West Adams Canal 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 October 2023.

How much traffic does C. R. 85 over West Adams Canal carry?

About 461 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is C. R. 85 over West Adams Canal?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns C. R. 85 over West Adams Canal?

It is owned by the County Highway Agency.