US Bridges

Mackert Road over Robbins Canal

Good

Sutter County, California · At Reclamation Road · Structure no. 18C0042

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
183 ft
5 main spans
Daily traffic
46
2015 count
Owner
County
County Highway Agency

About this bridge

Mackert Road over Robbins Canal is a concrete continuous slab carrying Mackert Road over Robbins Canal in Sutter County, California. It was built in 1999, so it is 26 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 46 vehicles a day, roughly 10% of them trucks, projected to reach 655 by 2042. The structure is 183 ft (55.7 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMackert Road
CrossesRobbins Canal
LocationAt Reclamation Road
RouteCounty Highway 0
Coordinates38.8358, -121.68767
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length183 ft (55.7 m)
Longest span36 ft (11 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2015)
Projected traffic655 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Mackert Road over Robbins Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mackert Road over Robbins Canal 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 September 2024.

How much traffic does Mackert Road over Robbins Canal carry?

About 46 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Mackert Road over Robbins Canal?

The structure is 183 ft (55.7 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Mackert Road over Robbins Canal?

It is owned by the County Highway Agency.