US Bridges

Denton Road over T.I.D. Main Canal

Fair

Stanislaus County, California · 0.5 MI N of Lake Road · Structure no. 38C0159

Built
1935
90 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
90 ft
5 main spans
Daily traffic
240
2018 count
Owner
County
County Highway Agency

About this bridge

Denton Road over T.I.D. Main Canal is a concrete continuous slab carrying Denton Road over T.I.D. Main Canal in Stanislaus County, California. It was built in 1935, so it is 90 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 104 by 2042. The structure is 90 ft (27.4 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesDenton Road
CrossesT.I.D. Main Canal
Location0.5 MI N of Lake Road
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.63063, -120.66396
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span18 ft (5.5 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2018)
Projected traffic104 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Denton Road over T.I.D. Main Canal built?

It was built in 1935, making it 90 years old in 2025.

What condition is Denton 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 2024.

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

About 240 vehicles per day (2018 count), of which roughly 2% are trucks.

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

The structure is 90 ft (27.4 m) long with a longest span of 18 ft (5.5 m) and a deck 21 ft wide.

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

It is owned by the County Highway Agency.