US Bridges

Road 29 over M I D Canal

Fair

Madera County, California · 0.25 MI S Ave 15 · Structure no. 41C0136

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
990
2020 count
Owner
County
County Highway Agency

About this bridge

Road 29 over M I D Canal is a concrete continuous slab carrying Road 29 over M I D Canal in Madera County, California. It was built in 1977, so it is 48 years old, younger 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 990 vehicles a day, roughly 12% of them trucks, projected to reach 1,422 by 2042. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoad 29
CrossesM I D Canal
Location0.25 MI S Ave 15
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.96389, -120.01951
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic990 (2020)
Projected traffic1,422 by 2042
Trucks12%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 29 over M I D Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is Road 29 over M I D 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 January 2024.

How much traffic does Road 29 over M I D Canal carry?

About 990 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Road 29 over M I D Canal?

The structure is 60 ft (18.3 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Road 29 over M I D Canal?

It is owned by the County Highway Agency.