US Bridges

S Fowler Ave over Murphy Slough

Fair

Fresno County, California · 0.06 MI N of Riverdale Av · Structure no. 42C0168

Built
1922
103 years old, rebuilt 1978
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
65 ft
4 main spans
Daily traffic
2,200
2011 count
Owner
County
County Highway Agency

About this bridge

S Fowler Ave over Murphy Slough is a concrete continuous slab carrying S Fowler Ave over Murphy Slough in Fresno County, California. It was built in 1922 and reconstructed in 1978, so it is 103 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 2,200 vehicles a day, roughly 10% of them trucks, projected to reach 3,432 by 2041. The structure is 65 ft (19.8 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS Fowler Ave
CrossesMurphy Slough
Location0.06 MI N of Riverdale Av
RouteCounty Highway 0
Coordinates36.43892, -119.6882
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.
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length65 ft (19.8 m)
Longest span16 ft (4.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2011)
Projected traffic3,432 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Fowler Ave over Murphy Slough built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1978.

What condition is S Fowler 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 Fowler Ave over Murphy Slough carry?

About 2,200 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is S Fowler Ave over Murphy Slough?

The structure is 65 ft (19.8 m) long with a longest span of 16 ft (4.8 m) and a deck 34 ft wide.

Who owns S Fowler Ave over Murphy Slough?

It is owned by the County Highway Agency.