US Bridges

Langworth Road over M.I.D. Main Canal

Poor

Stanislaus County, California · 3 MI N Milnes RD · Structure no. 38C0251

Built
1925
100 years old, rebuilt 1962
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
79 ft
5 main spans
Daily traffic
1,873
2017 count
Owner
County
County Highway Agency

About this bridge

Langworth Road over M.I.D. Main Canal is a concrete continuous tee beam carrying Langworth Road over M.I.D. Main Canal in Stanislaus County, California. It was built in 1925 and reconstructed in 1962, so it is 100 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 1,873 vehicles a day, roughly 3% of them trucks, projected to reach 2,244 by 2047. The structure is 79 ft (24.1 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLangworth Road
CrossesM.I.D. Main Canal
Location3 MI N Milnes RD
RouteCounty Highway 0
Coordinates37.68571, -120.89388
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span15 ft (4.7 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,873 (2017)
Projected traffic2,244 by 2047
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$420,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Langworth Road over M.I.D. Main Canal built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1962.

What condition is Langworth Road over M.I.D. Main 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 February 2025.

How much traffic does Langworth Road over M.I.D. Main Canal carry?

About 1,873 vehicles per day (2017 count), of which roughly 3% are trucks.

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

The structure is 79 ft (24.1 m) long with a longest span of 15 ft (4.7 m) and a deck 34 ft wide.

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

It is owned by the County Highway Agency.