US Bridges

W Mt Whitney Ave over Fresno Slough

Fair

Fresno County, California · 0.8 MI E of Dickenson Ave · Structure no. 42C0057

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
427 ft
10 main spans
Daily traffic
2,700
2007 count
Owner
County
County Highway Agency

About this bridge

W Mt Whitney Ave over Fresno Slough is a concrete continuous tee beam carrying W Mt Whitney Ave over Fresno Slough in Fresno County, California. It was built in 1955, so it is 70 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 2,700 vehicles a day, roughly 26% of them trucks, projected to reach 4,627 by 2042. The structure is 427 ft (130.1 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesW Mt Whitney Ave
CrossesFresno Slough
Location0.8 MI E of Dickenson Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.43011, -119.96294
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating14.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length427 ft (130.1 m)
Longest span44 ft (13.4 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2007)
Projected traffic4,627 by 2042
Trucks26%
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 W Mt Whitney Ave over Fresno Slough built?

It was built in 1955, making it 70 years old in 2025.

What condition is W Mt Whitney Ave over Fresno 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 W Mt Whitney Ave over Fresno Slough carry?

About 2,700 vehicles per day (2007 count), of which roughly 26% are trucks.

How long is W Mt Whitney Ave over Fresno Slough?

The structure is 427 ft (130.1 m) long with a longest span of 44 ft (13.4 m) and a deck 38 ft wide.

Who owns W Mt Whitney Ave over Fresno Slough?

It is owned by the County Highway Agency.