US Bridges

Ensley Road over Robbins (drainage) Canal

Fair

Sutter County, California · 0.01 MI E Reclamation RD · Structure no. 18C0041

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
177 ft
6 main spans
Daily traffic
102
2015 count
Owner
County
County Highway Agency

About this bridge

Ensley Road over Robbins (drainage) Canal is a concrete continuous slab carrying Ensley Road over Robbins (drainage) Canal in Sutter County, California. It was built in 1978, so it is 47 years old, younger 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 102 vehicles a day, roughly 10% of them trucks, projected to reach 85 by 2046. The structure is 177 ft (53.9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesEnsley Road
CrossesRobbins (drainage) Canal
Location0.01 MI E Reclamation RD
RouteCounty Highway 0
CountySutter County
StateCalifornia
Coordinates38.80633, -121.67269
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2015)
Projected traffic85 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ensley Road over Robbins (drainage) Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ensley Road 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 Ensley Road over Robbins (drainage) Canal carry?

About 102 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Ensley Road over Robbins (drainage) Canal?

The structure is 177 ft (53.9 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns Ensley Road over Robbins (drainage) Canal?

It is owned by the County Highway Agency.