US Bridges

SR 145 over Friant-Madera Canal

Good

Madera County, California · 06-MAD-145-22.82 · Structure no. 41 0019

Built
1944
81 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
70 ft
2 main spans
Daily traffic
6,200
2009 count
Owner
State
State Highway Agency

About this bridge

SR 145 over Friant-Madera Canal is a concrete tee beam carrying SR 145 over Friant-Madera Canal in Madera County, California. It was built in 1944, so it is 81 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,200 vehicles a day, roughly 10% of them trucks, projected to reach 8,069 by 2041. The structure is 70 ft (21.3 m) long and 40 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 145
CrossesFriant-Madera Canal
Location06-MAD-145-22.82
RouteState Highway 145
Coordinates37.01031, -119.84127
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span35 ft (10.7 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2009)
Projected traffic8,069 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 SR 145 over Friant-Madera Canal built?

It was built in 1944, making it 81 years old in 2025.

What condition is SR 145 over Friant-Madera Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SR 145 over Friant-Madera Canal carry?

About 6,200 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is SR 145 over Friant-Madera Canal?

The structure is 70 ft (21.3 m) long with a longest span of 35 ft (10.7 m) and a deck 40 ft wide.

Who owns SR 145 over Friant-Madera Canal?

It is owned by the State Highway Agency.