US Bridges

Bunker Road over Ccid Main Canal

Fair

Merced County, California · 1.3 MI East of SR 33 · Structure no. 39C0214

Built
1923
102 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

Bunker Road over Ccid Main Canal is a concrete continuous slab carrying Bunker Road over Ccid Main Canal in Merced County, California. It was built in 1923, so it is 102 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 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 266 by 2047. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesBunker Road
CrossesCcid Main Canal
Location1.3 MI East of SR 33
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.17324, -120.9956
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.2 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic266 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bunker Road over Ccid Main Canal built?

It was built in 1923, making it 102 years old in 2025.

What condition is Bunker Road over Ccid Main 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 February 2025.

How much traffic does Bunker Road over Ccid Main Canal carry?

About 100 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Bunker Road over Ccid Main Canal?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Bunker Road over Ccid Main Canal?

It is owned by the County Highway Agency.