US Bridges

Hobday RD over Folsom South Canal

Good

Sacramento County, California · 1.8 MI E/O Alta Mesa RD · Structure no. 24C0352

Built
1971
54 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
96 ft
1 main span
Daily traffic
330
2007 count
Owner
County
County Highway Agency

About this bridge

Hobday RD over Folsom South Canal is a prestressed concrete stringer/multi-beam or girder carrying Hobday RD over Folsom South Canal in Sacramento County, California. It was built in 1971, so it is 54 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 330 vehicles a day, roughly 10% of them trucks, projected to reach 437 by 2043. The structure is 96 ft (29.4 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHobday RD
CrossesFolsom South Canal
Location1.8 MI E/O Alta Mesa RD
RouteCounty Highway 0
Coordinates38.35033, -121.18984
Functional classRural 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 protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.4 m)
Longest span94 ft (28.5 m)
Deck width42 ft (12.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2007)
Projected traffic437 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Hobday RD over Folsom South Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is Hobday RD over Folsom South 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 May 2023.

How much traffic does Hobday RD over Folsom South Canal carry?

About 330 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Hobday RD over Folsom South Canal?

The structure is 96 ft (29.4 m) long with a longest span of 94 ft (28.5 m) and a deck 42 ft wide.

Who owns Hobday RD over Folsom South Canal?

It is owned by the County Highway Agency.