US Bridges

Subaco RD over Robbins (drainage) Canal

Fair

Sutter County, California · @ Reclamation RD · Structure no. 18C0119

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
88 ft
4 main spans
Daily traffic
23
2015 count
Owner
County
County Highway Agency

About this bridge

Subaco RD over Robbins (drainage) Canal is a concrete continuous tee beam carrying Subaco RD over Robbins (drainage) Canal in Sutter County, California. It was built in 1935, so it is 90 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 6 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 23 vehicles a day, projected to reach 66 by 2046. The structure is 88 ft (26.8 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSubaco RD
CrossesRobbins (drainage) Canal
Location@ Reclamation RD
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates38.92375, -121.73701
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2015)
Projected traffic66 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Subaco RD over Robbins (drainage) Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is Subaco RD over Robbins (drainage) 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 September 2024.

How much traffic does Subaco RD over Robbins (drainage) Canal carry?

About 23 vehicles per day (2015 count).

How long is Subaco RD over Robbins (drainage) Canal?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 23 ft wide.

Who owns Subaco RD over Robbins (drainage) Canal?

It is owned by the County Highway Agency.