US Bridges

Lake Road over T.I.D. Main Canal

Good

Stanislaus County, California · 7.5 MI E Roberts Ferry RD · Structure no. 38C0039

Built
1959
66 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
129 ft
6 main spans
Daily traffic
288
2017 count
Owner
County
County Highway Agency

About this bridge

Lake Road over T.I.D. Main Canal is a concrete continuous slab carrying Lake Road over T.I.D. Main Canal in Stanislaus County, California. It was built in 1959, so it is 66 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 288 vehicles a day, roughly 25% of them trucks, projected to reach 409 by 2043. The structure is 129 ft (39.3 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesLake Road
CrossesT.I.D. Main Canal
Location7.5 MI E Roberts Ferry RD
RouteCounty Highway 0
Coordinates37.62014, -120.50856
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length129 ft (39.3 m)
Longest span21 ft (6.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic288 (2017)
Projected traffic409 by 2043
Trucks25%
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 1959, making it 66 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Lake Road over T.I.D. Main Canal carry?

About 288 vehicles per day (2017 count), of which roughly 25% are trucks.

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

The structure is 129 ft (39.3 m) long with a longest span of 21 ft (6.4 m) and a deck 35 ft wide.

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

It is owned by the County Highway Agency.