US Bridges

Mccabe Road over Delta-Mendota Canal

Fair

Merced County, California · 1.0 MI West of I-5 · Structure no. 39C0251

Built
1949
76 years old, rebuilt 2015
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
105 ft
4 main spans
Daily traffic
453
2008 count
Owner
County
County Highway Agency

About this bridge

Mccabe Road over Delta-Mendota Canal is a steel continuous stringer/multi-beam or girder carrying Mccabe Road over Delta-Mendota Canal in Merced County, California. It was built in 1949 and reconstructed in 2015, so it is 76 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 453 vehicles a day, roughly 12% of them trucks, projected to reach 940 by 2045. The structure is 105 ft (31.9 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMccabe Road
CrossesDelta-Mendota Canal
Location1.0 MI West of I-5
RouteCounty Highway 0
Coordinates37.11523, -121.03432
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
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating89 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length105 ft (31.9 m)
Longest span27 ft (8.3 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic453 (2008)
Projected traffic940 by 2045
Trucks12%
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 Mccabe Road over Delta-Mendota Canal built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2015.

What condition is Mccabe 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 February 2025.

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

About 453 vehicles per day (2008 count), of which roughly 12% are trucks.

How long is Mccabe Road over Delta-Mendota Canal?

The structure is 105 ft (31.9 m) long with a longest span of 27 ft (8.3 m) and a deck 25 ft wide.

Who owns Mccabe Road over Delta-Mendota Canal?

It is owned by the County Highway Agency.