US Bridges

Northgate Blvd over Natomas E Main Drn Canal

Poor

Sacramento County, California · 0.1 MI S of Garden HWY · Structure no. 24C0099

Built
1970
55 years old, rebuilt 2006
Condition
Poor
inspected October 2023
Type
Slab
Concrete Continuous
Length
275 ft
7 main spans
Daily traffic
19,991
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northgate Blvd over Natomas E Main Drn Canal is a concrete continuous slab carrying Northgate Blvd over Natomas E Main Drn Canal in Sacramento County, California. It was built in 1970 and reconstructed in 2006, so it is 55 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 19,991 vehicles a day, roughly 10% of them trucks, projected to reach 28,073 by 2043. The structure is 275 ft (83.8 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNorthgate Blvd
CrossesNatomas E Main Drn Canal
Location0.1 MI S of Garden HWY
RouteCity Street 0
Coordinates38.60428, -121.4754
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length275 ft (83.8 m)
Longest span43 ft (13.1 m)
Deck width86 ft (26.1 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,991 (2017)
Projected traffic28,073 by 2043
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Northgate Blvd over Natomas E Main Drn Canal built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2006.

What condition is Northgate Blvd over Natomas E Main Drn Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Northgate Blvd over Natomas E Main Drn Canal carry?

About 19,991 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Northgate Blvd over Natomas E Main Drn Canal?

The structure is 275 ft (83.8 m) long with a longest span of 43 ft (13.1 m) and a deck 86 ft wide.

Who owns Northgate Blvd over Natomas E Main Drn Canal?

It is owned by the City or Municipal Highway Agency.