US Bridges

W Kamm Ave over Fresno Slough (fish Slu)

Fair

Fresno County, California · 1.9 MI East of Lassen Ave · Structure no. 42C0554

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

About this bridge

W Kamm Ave over Fresno Slough (fish Slu) is a concrete continuous slab carrying W Kamm Ave over Fresno Slough (fish Slu) 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 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,287 by 2045. The structure is 147 ft (44.7 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesW Kamm Ave
CrossesFresno Slough (fish Slu)
Location1.9 MI East of Lassen Ave
RouteCounty Highway 0
Coordinates36.53162, -120.06398
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length147 ft (44.7 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 traffic1,287 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 (fish Slu) 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 (fish Slu) 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 November 2023.

How much traffic does W Kamm Ave over Fresno Slough (fish Slu) carry?

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

How long is W Kamm Ave over Fresno Slough (fish Slu)?

The structure is 147 ft (44.7 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 (fish Slu)?

It is owned by the County Highway Agency.