US Bridges

Trimmer Springs RD over Fresno Canal

Fair

Fresno County, California · 0.8 MI East of Belmont Av · Structure no. 42C0075

Built
1964
61 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
123 ft
4 main spans
Daily traffic
1,800
2010 count
Owner
County
County Highway Agency

About this bridge

Trimmer Springs RD over Fresno Canal is a concrete continuous slab carrying Trimmer Springs RD over Fresno Canal 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 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 1,800 vehicles a day, roughly 5% of them trucks, projected to reach 4,196 by 2043. The structure is 123 ft (37.5 m) long and 41 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesTrimmer Springs RD
CrossesFresno Canal
Location0.8 MI East of Belmont Av
RouteCounty Highway 0
Coordinates36.75894, -119.45544
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 inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span30 ft (9.1 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2010)
Projected traffic4,196 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Trimmer Springs RD over Fresno Canal built?

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

What condition is Trimmer Springs RD over Fresno Canal 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 2025.

How much traffic does Trimmer Springs RD over Fresno Canal carry?

About 1,800 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Trimmer Springs RD over Fresno Canal?

The structure is 123 ft (37.5 m) long with a longest span of 30 ft (9.1 m) and a deck 41 ft wide.

Who owns Trimmer Springs RD over Fresno Canal?

It is owned by the County Highway Agency.