US Bridges

Lake Road over T.I.D. Main Canal

Fair

Stanislaus County, California · 5.1 MI E Roberts Ferry RD · Structure no. 38C0171

Built
1920
105 years old, rebuilt 1950
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
336
2017 count
Owner
County
County Highway Agency

About this bridge

Lake Road over T.I.D. Main Canal is a concrete continuous tee beam carrying Lake Road over T.I.D. Main Canal in Stanislaus County, California. It was built in 1920 and reconstructed in 1950, so it is 105 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 336 vehicles a day, roughly 20% of them trucks, projected to reach 408 by 2043. The structure is 66 ft (20.1 m) long and 34 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

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CarriesLake Road
CrossesT.I.D. Main Canal
Location5.1 MI E Roberts Ferry RD
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.61363, -120.53572
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.
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 inspectionFebruary 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic336 (2017)
Projected traffic408 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Lake Road over T.I.D. Main Canal built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1950.

What condition is Lake Road over T.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 Lake Road over T.I.D. Main Canal carry?

About 336 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is Lake Road over T.I.D. Main Canal?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 34 ft wide.

Who owns Lake Road over T.I.D. Main Canal?

It is owned by the County Highway Agency.