US Bridges

State Route 49 over Wise Canal

Good

Placer County, California · 03-PLA-049-5.02 · Structure no. 19 0017

Built
1973
52 years old
Condition
Good
inspected August 2021
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
33,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 49 over Wise Canal is a concrete slab carrying State Route 49 over Wise Canal in Placer County, California. It was built in 1973, so it is 52 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 33,500 vehicles a day, roughly 3% of them trucks, projected to reach 58,700 by 2041. The structure is 38 ft (11.6 m) long and 88 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 49
CrossesWise Canal
Location03-PLA-049-5.02
RouteState Highway 49
Coordinates38.9252, -121.08468
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width88 ft (26.8 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,500 (2009)
Projected traffic58,700 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 State Route 49 over Wise Canal built?

It was built in 1973, making it 52 years old in 2025.

What condition is State Route 49 over Wise 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 August 2021.

How much traffic does State Route 49 over Wise Canal carry?

About 33,500 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is State Route 49 over Wise Canal?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 88 ft wide.

Who owns State Route 49 over Wise Canal?

It is owned by the State Highway Agency.