US Bridges

State Route 145 over City Canal

Good

Madera County, California · 06-MAD-145-9.38-MAD · Structure no. 41 0033M

Built
1935
90 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
26 ft
1 main span
Daily traffic
13,700
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 145 over City Canal is a concrete stringer/multi-beam or girder carrying State Route 145 over City Canal in Madera County, California. It was built in 1935, so it is 90 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 13,700 vehicles a day, roughly 7% of them trucks, projected to reach 15,303 by 2041. The structure is 26 ft (7.9 m) long and 64 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesState Route 145
CrossesCity Canal
Location06-MAD-145-9.38-MAD
RouteState Highway 145
Coordinates36.95803, -120.05706
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2009)
Projected traffic15,303 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 City Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is State Route 145 over City 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 State Route 145 over City Canal carry?

About 13,700 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is State Route 145 over City Canal?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 64 ft wide.

Who owns State Route 145 over City Canal?

It is owned by the State Highway Agency.