US Bridges

Dowd Road over Yankee Slough

Good

Placer County, California · 0.1 MI S of Dalby Road · Structure no. 19C0252

Built
2015
10 years old
Condition
Good
inspected March 2021
Type
Slab
Concrete
Length
63 ft
1 main span
Daily traffic
756
2013 count
Owner
County
County Highway Agency

About this bridge

Dowd Road over Yankee Slough is a concrete slab carrying Dowd Road over Yankee Slough in Placer County, California. It was built in 2015, so it is 10 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 756 vehicles a day, roughly 3% of them trucks, projected to reach 1,000 by 2041. The structure is 63 ft (19.2 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesDowd Road
CrossesYankee Slough
Location0.1 MI S of Dalby Road
RouteCounty Highway 0
Coordinates38.96145, -121.37714
Functional classRural Minor Collector

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 inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span63 ft (19.2 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2013)
Projected traffic1,000 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Dowd Road over Yankee Slough built?

It was built in 2015, making it 10 years old in 2025.

What condition is Dowd Road over Yankee Slough 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 2021.

How much traffic does Dowd Road over Yankee Slough carry?

About 756 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Dowd Road over Yankee Slough?

The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.2 m) and a deck 36 ft wide.

Who owns Dowd Road over Yankee Slough?

It is owned by the County Highway Agency.