US Bridges

Dowd Road over Big Yankee Slough

Fair

Placer County, California · West of RTE 65 Pm 22.3 · Structure no. 19C0223

Built
2012
13 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
756
2013 count
Owner
County
County Highway Agency

About this bridge

Dowd Road over Big Yankee Slough is a concrete continuous slab carrying Dowd Road over Big Yankee Slough in Placer County, California. It was built in 2012, so it is 13 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 756 vehicles a day, roughly 3% of them trucks, projected to reach 1,300 by 2041. The structure is 133 ft (40.5 m) long and 34 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesDowd Road
CrossesBig Yankee Slough
LocationWest of RTE 65 Pm 22.3
RouteCounty Highway 0
CountyPlacer County
StateCalifornia
Coordinates38.96569, -121.37738
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.5 m)
Longest span43 ft (13 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic756 (2013)
Projected traffic1,300 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dowd Road over Big Yankee Slough built?

It was built in 2012, making it 13 years old in 2025.

What condition is Dowd Road over Big Yankee Slough in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Dowd Road over Big Yankee Slough carry?

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

How long is Dowd Road over Big Yankee Slough?

The structure is 133 ft (40.5 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.

Who owns Dowd Road over Big Yankee Slough?

It is owned by the County Highway Agency.