US Bridges

South Watt Ave over Morrison Creek

Good

Sacramento County, California · 0.6 MI N of Elder Creek · Structure no. 24C0172

Built
1965
60 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
17,328
2017 count
Owner
County
County Highway Agency

About this bridge

South Watt Ave over Morrison Creek is a concrete continuous slab carrying South Watt Ave over Morrison Creek in Sacramento 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 17,328 vehicles a day, roughly 10% of them trucks, projected to reach 52,021 by 2044. The structure is 80 ft (24.5 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSouth Watt Ave
CrossesMorrison Creek
Location0.6 MI N of Elder Creek
RouteCounty Highway 0
Coordinates38.51801, -121.36975
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.5 m)
Longest span26 ft (7.9 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,328 (2017)
Projected traffic52,021 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Watt Ave over Morrison Creek built?

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

What condition is South Watt Ave over Morrison Creek 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 April 2024.

How much traffic does South Watt Ave over Morrison Creek carry?

About 17,328 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is South Watt Ave over Morrison Creek?

The structure is 80 ft (24.5 m) long with a longest span of 26 ft (7.9 m) and a deck 40 ft wide.

Who owns South Watt Ave over Morrison Creek?

It is owned by the County Highway Agency.