US Bridges

Cottonwood Road over Outside Canal

Poor

Merced County, California · 0.5 MI E Orchard RD · Structure no. 39C0114

Built
1975
50 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
108
2014 count
Owner
County
County Highway Agency

About this bridge

Cottonwood Road over Outside Canal is a steel stringer/multi-beam or girder carrying Cottonwood Road over Outside Canal in Merced County, California. It was built in 1975, so it is 50 years old, younger 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 108 vehicles a day, roughly 32% of them trucks, projected to reach 212 by 2047. The structure is 43 ft (13.1 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCottonwood Road
CrossesOutside Canal
Location0.5 MI E Orchard RD
RouteCounty Highway 0
Coordinates37.18791, -121.056
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating34 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2014)
Projected traffic212 by 2047
Trucks32%
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$374,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cottonwood Road over Outside Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cottonwood Road over Outside 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 Cottonwood Road over Outside Canal carry?

About 108 vehicles per day (2014 count), of which roughly 32% are trucks.

How long is Cottonwood Road over Outside Canal?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns Cottonwood Road over Outside Canal?

It is owned by the County Highway Agency.