US Bridges

Cobb Ranch Blvd over San Joaquin River Ovrflo

Good

Madera County, California · 06-MAD-041-0.08 · Structure no. 41 0040

Built
1941
84 years old, rebuilt 2016
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
200 ft
9 main spans
Daily traffic
1,250
2011 count
Owner
State
State Highway Agency

About this bridge

Cobb Ranch Blvd over San Joaquin River Ovrflo is a concrete continuous slab carrying Cobb Ranch Blvd over San Joaquin River Ovrflo in Madera County, California. It was built in 1941 and reconstructed in 2016, 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 1,250 vehicles a day, roughly 6% of them trucks, projected to reach 2,981 by 2041. The structure is 200 ft (61 m) long and 32 ft wide. If it were closed, the detour would be 41 mi (66 km).

CarriesCobb Ranch Blvd
CrossesSan Joaquin River Ovrflo
Location06-MAD-041-0.08
RouteState Highway 41
Coordinates36.87778, -119.79205
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length200 ft (61 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2011)
Projected traffic2,981 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ovrflo built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2016.

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

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

About 1,250 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is Cobb Ranch Blvd over San Joaquin River Ovrflo?

The structure is 200 ft (61 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Cobb Ranch Blvd over San Joaquin River Ovrflo?

It is owned by the State Highway Agency.