US Bridges

N Leonard Ave over Redbank Slough

Fair

Fresno County, California · 0.1 MI South of Shields · Structure no. 42C0630

Built
1997
28 years old
Condition
Fair
inspected March 2021
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
500
2004 count
Owner
County
County Highway Agency

About this bridge

N Leonard Ave over Redbank Slough is a concrete continuous culvert carrying N Leonard Ave over Redbank Slough in Fresno County, California. It was built in 1997, so it is 28 years old, younger 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 6 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 500 vehicles a day, roughly 3% of them trucks, projected to reach 770 by 2041. The structure is 22 ft (6.7 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesN Leonard Ave
CrossesRedbank Slough
Location0.1 MI South of Shields
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.77746, -119.63691
Functional classRural 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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2004)
Projected traffic770 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 N Leonard Ave over Redbank Slough built?

It was built in 1997, making it 28 years old in 2025.

What condition is N Leonard Ave over Redbank Slough 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 March 2021.

How much traffic does N Leonard Ave over Redbank Slough carry?

About 500 vehicles per day (2004 count), of which roughly 3% are trucks.

How long is N Leonard Ave over Redbank Slough?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns N Leonard Ave over Redbank Slough?

It is owned by the County Highway Agency.