US Bridges

S Tracy Blvd over Delta-Mendota Canal

Good

San Joaquin County, California · .9 MI W of W Linne RD · Structure no. 29C0416

Built
1948
77 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
71 ft
4 main spans
Daily traffic
1,680
2002 count
Owner
Federal
Bureau of Reclamation

About this bridge

S Tracy Blvd over Delta-Mendota Canal is a concrete continuous culvert carrying S Tracy Blvd over Delta-Mendota Canal in San Joaquin County, California. It was built in 1948, so it is 77 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,680 vehicles a day, roughly 12% of them trucks, projected to reach 2,130 by 2034. The structure is 71 ft (21.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Tracy Blvd
CrossesDelta-Mendota Canal
Location.9 MI W of W Linne RD
RouteCounty Highway 0
Coordinates37.67889, -121.43445
Functional classRural Major Collector

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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,680 (2002)
Projected traffic2,130 by 2034
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byBureau of Reclamation
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 S Tracy Blvd over Delta-Mendota Canal built?

It was built in 1948, making it 77 years old in 2025.

What condition is S Tracy Blvd over Delta-Mendota 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 June 2024.

How much traffic does S Tracy Blvd over Delta-Mendota Canal carry?

About 1,680 vehicles per day (2002 count), of which roughly 12% are trucks.

How long is S Tracy Blvd over Delta-Mendota Canal?

The structure is 71 ft (21.6 m) long with a longest span of 17 ft (5.2 m).

Who owns S Tracy Blvd over Delta-Mendota Canal?

It is owned by the Bureau of Reclamation.