US Bridges

Crabtree Road over M.I.D. Main Canal

Fair

Stanislaus County, California · 0.2 MI N/O SR 132 · Structure no. 38C0267

Built
1926
99 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
123
2017 count
Owner
County
County Highway Agency

About this bridge

Crabtree Road over M.I.D. Main Canal is a concrete continuous tee beam carrying Crabtree Road over M.I.D. Main Canal in Stanislaus County, California. It was built in 1926, so it is 99 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 123 vehicles a day, roughly 13% of them trucks, projected to reach 184 by 2043. The structure is 89 ft (27.1 m) long and 22 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesCrabtree Road
CrossesM.I.D. Main Canal
Location0.2 MI N/O SR 132
RouteCounty Highway 0
Coordinates37.64717, -120.61106
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating22.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2017)
Projected traffic184 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Crabtree Road over M.I.D. Main Canal built?

It was built in 1926, making it 99 years old in 2025.

What condition is Crabtree Road over M.I.D. Main 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 Crabtree Road over M.I.D. Main Canal carry?

About 123 vehicles per day (2017 count), of which roughly 13% are trucks.

How long is Crabtree Road over M.I.D. Main Canal?

The structure is 89 ft (27.1 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns Crabtree Road over M.I.D. Main Canal?

It is owned by the County Highway Agency.