US Bridges

S Elm Ave over Murphy Slough

Fair

Fresno County, California · 2 MI South of Elkhorn Ave · Structure no. 42C0089

Built
1922
103 years old, rebuilt 1962
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
86 ft
5 main spans
Daily traffic
340
2012 count
Owner
County
County Highway Agency

About this bridge

S Elm Ave over Murphy Slough is a concrete continuous slab carrying S Elm Ave over Murphy Slough in Fresno County, California. It was built in 1922 and reconstructed in 1962, 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 340 vehicles a day, roughly 8% of them trucks, projected to reach 424 by 2046. The structure is 86 ft (26.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS Elm Ave
CrossesMurphy Slough
Location2 MI South of Elkhorn Ave
RouteCounty Highway 0
Coordinates36.46032, -119.79854
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 inspectionFebruary 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span17 ft (5.2 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2012)
Projected traffic424 by 2046
Trucks8%
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 Elm Ave over Murphy Slough built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1962.

What condition is S Elm 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 February 2024.

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

About 340 vehicles per day (2012 count), of which roughly 8% are trucks.

How long is S Elm Ave over Murphy Slough?

The structure is 86 ft (26.2 m) long with a longest span of 17 ft (5.2 m) and a deck 33 ft wide.

Who owns S Elm Ave over Murphy Slough?

It is owned by the County Highway Agency.