US Bridges

W Sierra Ave over Delta-Mendota Canal

Fair

Fresno County, California · 0.3 MI Northeast of SR 33 · Structure no. 42C0281

Built
1950
75 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
161 ft
4 main spans
Daily traffic
240
2012 count
Owner
County
County Highway Agency

About this bridge

W Sierra Ave over Delta-Mendota Canal is a concrete tee beam carrying W Sierra Ave over Delta-Mendota Canal in Fresno County, California. It was built in 1950, so it is 75 years old, older 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 240 vehicles a day, roughly 10% of them trucks, projected to reach 316 by 2040. The structure is 161 ft (49.1 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesW Sierra Ave
CrossesDelta-Mendota Canal
Location0.3 MI Northeast of SR 33
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.82783, -120.43523
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating31.7 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length161 ft (49.1 m)
Longest span40 ft (12.3 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2012)
Projected traffic316 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W Sierra Ave over Delta-Mendota Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is W Sierra 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 December 2023.

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

About 240 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is W Sierra Ave over Delta-Mendota Canal?

The structure is 161 ft (49.1 m) long with a longest span of 40 ft (12.3 m) and a deck 31 ft wide.

Who owns W Sierra Ave over Delta-Mendota Canal?

It is owned by the County Highway Agency.