US Bridges

State Route 41 SB over Herndon Ave

Good

Fresno County, California · 06-FRE-041-R30.45-FRE · Structure no. 42 0305L

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
165 ft
2 main spans
Daily traffic
54,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 41 SB over Herndon Ave is a prestressed concrete continuous box beam or girders - multiple carrying State Route 41 SB over Herndon Ave in Fresno County, California. It was built in 1986, so it is 39 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 54,500 vehicles a day, roughly 5% of them trucks, projected to reach 93,465 by 2046. The structure is 165 ft (50.4 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 41 SB
CrossesHerndon Ave
Location06-FRE-041-R30.45-FRE
RouteState Highway 41
Coordinates36.83723, -119.78509
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length165 ft (50.4 m)
Longest span82 ft (25 m)
Deck width69 ft (21.1 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,500 (2009)
Projected traffic93,465 by 2046
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 41 SB over Herndon Ave built?

It was built in 1986, making it 39 years old in 2025.

What condition is State Route 41 SB over Herndon Ave 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 2024.

How much traffic does State Route 41 SB over Herndon Ave carry?

About 54,500 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 41 SB over Herndon Ave?

The structure is 165 ft (50.4 m) long with a longest span of 82 ft (25 m) and a deck 69 ft wide.

Who owns State Route 41 SB over Herndon Ave?

It is owned by the State Highway Agency.