US Bridges

San Juan RD over Highline Canal

Good

Sacramento County, California · .45 MI W/O Northgate Blvd · Structure no. 24C0287

Built
1970
55 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
15,149
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

San Juan RD over Highline Canal is a concrete continuous culvert carrying San Juan RD over Highline Canal in Sacramento County, California. It was built in 1970, 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 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 15,149 vehicles a day, roughly 10% of them trucks, projected to reach 45,264 by 2043. The structure is 27 ft (8.2 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSan Juan RD
CrossesHighline Canal
Location.45 MI W/O Northgate Blvd
RouteCity Street 0
Coordinates38.62748, -121.48395
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span9 ft (2.7 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,149 (2014)
Projected traffic45,264 by 2043
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was San Juan RD over Highline Canal built?

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

What condition is San Juan RD over Highline 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 October 2023.

How much traffic does San Juan RD over Highline Canal carry?

About 15,149 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is San Juan RD over Highline Canal?

The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m) and a deck 80 ft wide.

Who owns San Juan RD over Highline Canal?

It is owned by the City or Municipal Highway Agency.