US Bridges

W Kamm Ave over Fresno Slough Overflow

Good

Fresno County, California · 2.1 MI E Lassen Ave · Structure no. 42C0553

Built
1978
47 years old, rebuilt 2007
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
90 ft
4 main spans
Daily traffic
1,100
2004 count
Owner
County
County Highway Agency

About this bridge

W Kamm Ave over Fresno Slough Overflow is a concrete continuous slab carrying W Kamm Ave over Fresno Slough Overflow in Fresno County, California. It was built in 1978 and reconstructed in 2007, so it is 47 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,291 by 2045. The structure is 90 ft (27.4 m) long and 31 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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CarriesW Kamm Ave
CrossesFresno Slough Overflow
Location2.1 MI E Lassen Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.53163, -120.06169
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating92.2 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2004)
Projected traffic1,291 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 W Kamm Ave over Fresno Slough Overflow built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2007.

What condition is W Kamm Ave over Fresno Slough Overflow 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 2023.

How much traffic does W Kamm Ave over Fresno Slough Overflow carry?

About 1,100 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is W Kamm Ave over Fresno Slough Overflow?

The structure is 90 ft (27.4 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns W Kamm Ave over Fresno Slough Overflow?

It is owned by the County Highway Agency.