US Bridges

State Route 145 over Stinson Canal

Fair

Fresno County, California · 06-FRE-145-17.18 · Structure no. 42 0356

Built
1950
75 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
40 ft
2 main spans
Daily traffic
5,400
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 145 over Stinson Canal is a concrete continuous slab carrying State Route 145 over Stinson Canal in Fresno County, California. It was built in 1950, so it is 75 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 5,400 vehicles a day, roughly 25% of them trucks, projected to reach 9,374 by 2046. The structure is 40 ft (12.2 m) long and 37 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesState Route 145
CrossesStinson Canal
Location06-FRE-145-17.18
RouteState Highway 145
Coordinates36.48644, -120.09831
Functional classRural Minor Arterial

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2009)
Projected traffic9,374 by 2046
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 145 over Stinson Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is State Route 145 over Stinson 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 December 2024.

How much traffic does State Route 145 over Stinson Canal carry?

About 5,400 vehicles per day (2009 count), of which roughly 25% are trucks.

How long is State Route 145 over Stinson Canal?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 37 ft wide.

Who owns State Route 145 over Stinson Canal?

It is owned by the State Highway Agency.