US Bridges

Trimmer Springs RD over Friant-Kern Canal

Fair

Fresno County, California · 1.5 MI East of Belmont Av · Structure no. 42C0076

Built
1946
79 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
99 ft
2 main spans
Daily traffic
1,800
2010 count
Owner
County
County Highway Agency

About this bridge

Trimmer Springs RD over Friant-Kern Canal is a concrete tee beam carrying Trimmer Springs RD over Friant-Kern Canal in Fresno County, California. It was built in 1946, so it is 79 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 1,800 vehicles a day, roughly 5% of them trucks, projected to reach 4,299 by 2043. The structure is 99 ft (30.2 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesTrimmer Springs RD
CrossesFriant-Kern Canal
Location1.5 MI East of Belmont Av
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.76544, -119.44547
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating11 US tons
Inventory rating7.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length99 ft (30.2 m)
Longest span49 ft (14.8 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2010)
Projected traffic4,299 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Trimmer Springs RD over Friant-Kern Canal built?

It was built in 1946, making it 79 years old in 2025.

What condition is Trimmer Springs RD over Friant-Kern 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 Friant-Kern Canal carry?

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

How long is Trimmer Springs RD over Friant-Kern Canal?

The structure is 99 ft (30.2 m) long with a longest span of 49 ft (14.8 m) and a deck 34 ft wide.

Who owns Trimmer Springs RD over Friant-Kern Canal?

It is owned by the County Highway Agency.