US Bridges

Stuhr Road over Delta-Mendota Canal

Poor

Stanislaus County, California · 100 East of Bell Road · Structure no. 38C0206

Built
1949
76 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
2,184
2019 count
Owner
County
County Highway Agency

About this bridge

Stuhr Road over Delta-Mendota Canal is a concrete continuous tee beam carrying Stuhr Road over Delta-Mendota Canal in Stanislaus County, California. It was built in 1949, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,184 vehicles a day, roughly 13% of them trucks, projected to reach 3,061 by 2047. The structure is 107 ft (32.5 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesStuhr Road
CrossesDelta-Mendota Canal
Location100 East of Bell Road
RouteCounty Highway 0
Coordinates37.32976, -121.10335
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.5 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,184 (2019)
Projected traffic3,061 by 2047
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stuhr Road over Delta-Mendota Canal built?

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

What condition is Stuhr Road over Delta-Mendota Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

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

About 2,184 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Stuhr Road over Delta-Mendota Canal?

The structure is 107 ft (32.5 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Stuhr Road over Delta-Mendota Canal?

It is owned by the County Highway Agency.