US Bridges

N99-MITCHELL RD of over Ceres Main Canal

Good

Stanislaus County, California · 10-STA-099-R10.03 · Structure no. 38 0007S

Built
1965
60 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
7,400
2011 count
Owner
State
State Highway Agency

About this bridge

N99-MITCHELL RD of over Ceres Main Canal is a concrete slab carrying N99-MITCHELL RD of over Ceres Main Canal in Stanislaus County, California. It was built in 1965, so it is 60 years old, older 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 7,400 vehicles a day, roughly 2% of them trucks, projected to reach 11,984 by 2047. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN99-MITCHELL RD of
CrossesCeres Main Canal
Location10-STA-099-R10.03
RouteState Highway 99
Coordinates37.57476, -120.93689
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2011)
Projected traffic11,984 by 2047
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N99-MITCHELL RD of over Ceres Main Canal built?

It was built in 1965, making it 60 years old in 2025.

What condition is N99-MITCHELL RD of over Ceres Main 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 January 2025.

How much traffic does N99-MITCHELL RD of over Ceres Main Canal carry?

About 7,400 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is N99-MITCHELL RD of over Ceres Main Canal?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns N99-MITCHELL RD of over Ceres Main Canal?

It is owned by the State Highway Agency.