US Bridges

State Route 41 over Herndon Canal

Good

Fresno County, California · 06-FRE-041-R26.44-FRE · Structure no. 42 0383

Built
1980
45 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
111,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 41 over Herndon Canal is a concrete continuous culvert carrying State Route 41 over Herndon Canal in Fresno County, California. It was built in 1980, so it is 45 years old, younger 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 111,000 vehicles a day, roughly 4% of them trucks, projected to reach 131,087 by 2044. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 41
CrossesHerndon Canal
Location06-FRE-041-R26.44-FRE
RouteState Highway 41
Coordinates36.77934, -119.78443
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111,000 (2009)
Projected traffic131,087 by 2044
Trucks4%
Lanes on structure14
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 41 over Herndon Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is State Route 41 over Herndon 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 April 2022.

How much traffic does State Route 41 over Herndon Canal carry?

About 111,000 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is State Route 41 over Herndon Canal?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns State Route 41 over Herndon Canal?

It is owned by the State Highway Agency.