US Bridges

Sperry Ave over Delta-Mendota Canal

Fair

Stanislaus County, California · East of Rogers RD · Structure no. 38C0335

Built
2007
18 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
6,400
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sperry Ave over Delta-Mendota Canal is a prestressed concrete stringer/multi-beam or girder carrying Sperry Ave over Delta-Mendota Canal in Stanislaus County, California. It was built in 2007, so it is 18 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 5 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 6,400 vehicles a day, roughly 3% of them trucks, projected to reach 7,141 by 2043. The structure is 130 ft (39.6 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSperry Ave
CrossesDelta-Mendota Canal
LocationEast of Rogers RD
RouteCity Street 0
Coordinates37.46444, -121.17283
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length130 ft (39.6 m)
Longest span126 ft (38.3 m)
Deck width86 ft (26.1 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2019)
Projected traffic7,141 by 2043
Trucks3%
Lanes on structure3
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sperry Ave over Delta-Mendota Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is Sperry Ave over Delta-Mendota 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 January 2025.

How much traffic does Sperry Ave over Delta-Mendota Canal carry?

About 6,400 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Sperry Ave over Delta-Mendota Canal?

The structure is 130 ft (39.6 m) long with a longest span of 126 ft (38.3 m) and a deck 86 ft wide.

Who owns Sperry Ave over Delta-Mendota Canal?

It is owned by the City or Municipal Highway Agency.