US Bridges

Ave 15 1/2 over Mid Canal (ave 15 1/2)

Poor

Madera County, California · 0.2 MI E RD 28 1/2 · Structure no. 41C0134

Built
1953
72 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
737
2020 count
Owner
County
County Highway Agency

About this bridge

Ave 15 1/2 over Mid Canal (ave 15 1/2) is a steel stringer/multi-beam or girder carrying Ave 15 1/2 over Mid Canal (ave 15 1/2) in Madera County, California. It was built in 1953, so it is 72 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 737 vehicles a day, roughly 4% of them trucks, projected to reach 984 by 2042. The structure is 32 ft (9.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAve 15 1/2
CrossesMid Canal (ave 15 1/2)
Location0.2 MI E RD 28 1/2
RouteCounty Highway 0
Coordinates36.97436, -120.02732
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic737 (2020)
Projected traffic984 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave 15 1/2 over Mid Canal (ave 15 1/2) built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ave 15 1/2 over Mid Canal (ave 15 1/2) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Ave 15 1/2 over Mid Canal (ave 15 1/2) carry?

About 737 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Ave 15 1/2 over Mid Canal (ave 15 1/2)?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Ave 15 1/2 over Mid Canal (ave 15 1/2)?

It is owned by the County Highway Agency.