US Bridges

S Camden Ave over Murphy Slough

Fair

Fresno County, California · 1.9 MI N of Mt Whitney Av · Structure no. 42C0082

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
99 ft
4 main spans
Daily traffic
450
2009 count
Owner
County
County Highway Agency

About this bridge

S Camden Ave over Murphy Slough is a concrete continuous slab carrying S Camden Ave over Murphy Slough in Fresno County, California. It was built in 1964, so it is 61 years old, older 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 5 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 450 vehicles a day, roughly 2% of them trucks, projected to reach 563 by 2041. The structure is 99 ft (30.2 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS Camden Ave
CrossesMurphy Slough
Location1.9 MI N of Mt Whitney Av
RouteCounty Highway 0
Coordinates36.45868, -119.7955
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length99 ft (30.2 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2009)
Projected traffic563 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 S Camden Ave over Murphy Slough built?

It was built in 1964, making it 61 years old in 2025.

What condition is S Camden Ave over Murphy 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 January 2024.

How much traffic does S Camden Ave over Murphy Slough carry?

About 450 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is S Camden Ave over Murphy Slough?

The structure is 99 ft (30.2 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns S Camden Ave over Murphy Slough?

It is owned by the County Highway Agency.