US Bridges

Cobb Ranch Blvd over San Joaquin River

Good

Fresno County, California · 0.3 MI South of Ave 9 · Structure no. 42C0718

Built
1941
84 years old, rebuilt 2018
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
750 ft
14 main spans
Daily traffic
800
2001 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cobb Ranch Blvd over San Joaquin River is a concrete continuous tee beam carrying Cobb Ranch Blvd over San Joaquin River in Fresno County, California. It was built in 1941 and reconstructed in 2018, so it is 84 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 800 vehicles a day, roughly 2% of them trucks, projected to reach 3,548 by 2046. The structure is 750 ft (228.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCobb Ranch Blvd
CrossesSan Joaquin River
Location0.3 MI South of Ave 9
RouteCity Street 0
Coordinates36.87503, -119.79193
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadOther
Structure length750 ft (228.6 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2001)
Projected traffic3,548 by 2046
Trucks2%
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

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 Cobb Ranch Blvd over San Joaquin River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2018.

What condition is Cobb Ranch Blvd over San Joaquin River 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 December 2024.

How much traffic does Cobb Ranch Blvd over San Joaquin River carry?

About 800 vehicles per day (2001 count), of which roughly 2% are trucks.

How long is Cobb Ranch Blvd over San Joaquin River?

The structure is 750 ft (228.6 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Cobb Ranch Blvd over San Joaquin River?

It is owned by the City or Municipal Highway Agency.