US Bridges

Watt Ave over American River Drive

Good

Sacramento County, California · American River DR · Structure no. 24C0090

Built
1960
65 years old, rebuilt 2003
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
145 ft
4 main spans
Daily traffic
96,700
2010 count
Owner
County
County Highway Agency

About this bridge

Watt Ave over American River Drive is a concrete continuous slab carrying Watt Ave over American River Drive in Sacramento County, California. It was built in 1960 and reconstructed in 2003, so it is 65 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 96,700 vehicles a day, roughly 10% of them trucks, projected to reach 65,629 by 2042. The structure is 145 ft (44.2 m) long and 117 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWatt Ave
CrossesAmerican River Drive
LocationAmerican River DR
RouteCounty Highway 0
Coordinates38.56983, -121.38287
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.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span46 ft (14 m)
Deck width117 ft (35.8 m)
Roadway width89 ft (27.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,700 (2010)
Projected traffic65,629 by 2042
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Watt Ave over American River Drive built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is Watt Ave over American River Drive 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 March 2024.

How much traffic does Watt Ave over American River Drive carry?

About 96,700 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is Watt Ave over American River Drive?

The structure is 145 ft (44.2 m) long with a longest span of 46 ft (14 m) and a deck 117 ft wide.

Who owns Watt Ave over American River Drive?

It is owned by the County Highway Agency.