US Bridges

Needham Road over Delta-Mendota Canal

Fair

Stanislaus County, California · 0.15 MI W of Stark Road · Structure no. 38C0239

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
67
2019 count
Owner
County
County Highway Agency

About this bridge

Needham Road over Delta-Mendota Canal is a concrete continuous slab carrying Needham Road over Delta-Mendota Canal in Stanislaus County, California. It was built in 1963, so it is 62 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 67 vehicles a day, projected to reach 85 by 2047. The structure is 120 ft (36.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNeedham Road
CrossesDelta-Mendota Canal
Location0.15 MI W of Stark Road
RouteCounty Highway 0
CountyStanislaus County
StateCalifornia
Coordinates37.52227, -121.21892
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.7 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67 (2019)
Projected traffic85 by 2047
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Needham Road over Delta-Mendota Canal built?

It was built in 1963, making it 62 years old in 2025.

What condition is Needham 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 January 2025.

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

About 67 vehicles per day (2019 count).

How long is Needham Road over Delta-Mendota Canal?

The structure is 120 ft (36.7 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns Needham Road over Delta-Mendota Canal?

It is owned by the County Highway Agency.