US Bridges

State Route 140 over El Capitan Canal

Fair

Merced County, California · 10-MER-140-34.51 · Structure no. 39 0097

Built
1920
105 years old, rebuilt 2001
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
6,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 140 over El Capitan Canal is a concrete continuous culvert carrying State Route 140 over El Capitan Canal in Merced County, California. It was built in 1920 and reconstructed in 2001, so it is 105 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 6,500 vehicles a day, roughly 13% of them trucks, projected to reach 7,432 by 2045. The structure is 22 ft (6.6 m) long and 55 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesState Route 140
CrossesEl Capitan Canal
Location10-MER-140-34.51
RouteState Highway 140
Coordinates37.30268, -120.52329
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (2.9 m)
Deck width55 ft (16.8 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2009)
Projected traffic7,432 by 2045
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 140 over El Capitan Canal built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2001.

What condition is State Route 140 over El Capitan 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 140 over El Capitan Canal carry?

About 6,500 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is State Route 140 over El Capitan Canal?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (2.9 m) and a deck 55 ft wide.

Who owns State Route 140 over El Capitan Canal?

It is owned by the State Highway Agency.