US Bridges

Hamilton Road over Delta-Mendota Canal

Fair

Stanislaus County, California · 0.55 MI W/O Mccracken · Structure no. 38C0101

Built
1946
79 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
289
2018 count
Owner
County
County Highway Agency

About this bridge

Hamilton Road over Delta-Mendota Canal is a concrete continuous tee beam carrying Hamilton Road over Delta-Mendota Canal in Stanislaus County, California. It was built in 1946, so it is 79 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 289 vehicles a day, roughly 18% of them trucks, projected to reach 261 by 2042. The structure is 107 ft (32.5 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesHamilton Road
CrossesDelta-Mendota Canal
Location0.55 MI W/O Mccracken
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.56551, -121.27924
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 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 rating28.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.5 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic289 (2018)
Projected traffic261 by 2042
Trucks18%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Road over Delta-Mendota Canal built?

It was built in 1946, making it 79 years old in 2025.

What condition is Hamilton Road over Delta-Mendota 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 August 2024.

How much traffic does Hamilton Road over Delta-Mendota Canal carry?

About 289 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is Hamilton Road over Delta-Mendota Canal?

The structure is 107 ft (32.5 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Hamilton Road over Delta-Mendota Canal?

It is owned by the County Highway Agency.