US Bridges

Cotta Road over Upland Canal

Good

San Joaquin County, California · 1.0 MI W of I-5 · Structure no. 29C0292

Built
1974
51 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
138
2009 count
Owner
County
County Highway Agency

About this bridge

Cotta Road over Upland Canal is a wood or timber stringer/multi-beam or girder carrying Cotta Road over Upland Canal in San Joaquin County, California. It was built in 1974, so it is 51 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 138 vehicles a day, roughly 20% of them trucks, projected to reach 218 by 2042. The structure is 39 ft (11.9 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCotta Road
CrossesUpland Canal
Location1.0 MI W of I-5
RouteCounty Highway 0
CountySan Joaquin County
StateCalifornia
Coordinates38.1379, -121.42144
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span19 ft (5.9 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic138 (2009)
Projected traffic218 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Cotta Road over Upland Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Cotta Road over Upland Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Cotta Road over Upland Canal carry?

About 138 vehicles per day (2009 count), of which roughly 20% are trucks.

How long is Cotta Road over Upland Canal?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.9 m) and a deck 19 ft wide.

Who owns Cotta Road over Upland Canal?

It is owned by the County Highway Agency.