US Bridges

Snelling Road over Main Canal

Fair

Merced County, California · 2.8 MI S/O SR 59 · Structure no. 39C0068

Built
1981
44 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
62 ft
2 main spans
Daily traffic
1,451
2000 count
Owner
County
County Highway Agency

About this bridge

Snelling Road over Main Canal is a concrete continuous slab carrying Snelling Road over Main Canal in Merced County, California. It was built in 1981, so it is 44 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 1,451 vehicles a day, roughly 3% of them trucks, projected to reach 3,893 by 2047. The structure is 62 ft (18.9 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesSnelling Road
CrossesMain Canal
Location2.8 MI S/O SR 59
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.47766, -120.44479
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
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 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 rating106 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,451 (2000)
Projected traffic3,893 by 2047
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Snelling Road over Main Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Snelling Road over 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 January 2025.

How much traffic does Snelling Road over Main Canal carry?

About 1,451 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Snelling Road over Main Canal?

The structure is 62 ft (18.9 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Snelling Road over Main Canal?

It is owned by the County Highway Agency.