US Bridges

State Route 152 WB over Delta-Mendota Canal

Fair

Merced County, California · 10-MER-152-15.09 · Structure no. 39 0122L

Built
1955
70 years old, rebuilt 1985
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete
Length
108 ft
3 main spans
Daily traffic
12,425
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 WB over Delta-Mendota Canal is a concrete tee beam carrying State Route 152 WB over Delta-Mendota Canal in Merced County, California. It was built in 1955 and reconstructed in 1985, so it is 70 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 12,425 vehicles a day, roughly 17% of them trucks, projected to reach 14,121 by 2045. The structure is 108 ft (32.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 152 WB
CrossesDelta-Mendota Canal
Location10-MER-152-15.09
RouteState Highway 152
Coordinates37.05675, -120.94728
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length108 ft (32.9 m)
Longest span36 ft (10.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,425 (2009)
Projected traffic14,121 by 2045
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 152 WB over Delta-Mendota Canal built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1985.

What condition is State Route 152 WB 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 February 2025.

How much traffic does State Route 152 WB over Delta-Mendota Canal carry?

About 12,425 vehicles per day (2009 count), of which roughly 17% are trucks.

How long is State Route 152 WB over Delta-Mendota Canal?

The structure is 108 ft (32.9 m) long with a longest span of 36 ft (10.9 m) and a deck 40 ft wide.

Who owns State Route 152 WB over Delta-Mendota Canal?

It is owned by the State Highway Agency.