US Bridges

Reservoir Road over M.I.D. Main Canal

Fair

Stanislaus County, California · 0.05 MI N/O SR 132 · Structure no. 38C0288

Built
1962
63 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
61 ft
3 main spans
Daily traffic
1,200
2017 count
Owner
County
County Highway Agency

About this bridge

Reservoir Road over M.I.D. Main Canal is a concrete continuous slab carrying Reservoir Road over M.I.D. Main Canal in Stanislaus County, California. It was built in 1962, so it is 63 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 6 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 1,200 vehicles a day, roughly 2% of them trucks, projected to reach 2,224 by 2047. The structure is 61 ft (18.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesReservoir Road
CrossesM.I.D. Main Canal
Location0.05 MI N/O SR 132
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.64765, -120.68205
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length61 ft (18.6 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2017)
Projected traffic2,224 by 2047
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Reservoir Road over M.I.D. Main Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is Reservoir Road over M.I.D. 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 Reservoir Road over M.I.D. Main Canal carry?

About 1,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Reservoir Road over M.I.D. Main Canal?

The structure is 61 ft (18.6 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns Reservoir Road over M.I.D. Main Canal?

It is owned by the County Highway Agency.