US Bridges

Marysville Road over Dobbins Creek

Fair

Yuba County, California · 0.1 MI N of Powder House · Structure no. 16C0112

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
2,400
2013 count
Owner
County
County Highway Agency

About this bridge

Marysville Road over Dobbins Creek is a concrete continuous tee beam carrying Marysville Road over Dobbins Creek in Yuba County, California. It was built in 1999, so it is 26 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 2,400 vehicles a day, roughly 10% of them trucks, projected to reach 3,816 by 2045. The structure is 126 ft (38.4 m) long and 39 ft wide. If it were closed, the detour would be 61.5 mi (99 km).

CarriesMarysville Road
CrossesDobbins Creek
Location0.1 MI N of Powder House
RouteCounty Highway 0
Coordinates39.37715, -121.21088
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span82 ft (25 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2013)
Projected traffic3,816 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed61.5 mi (99 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 Marysville Road over Dobbins Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Marysville Road over Dobbins Creek 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 July 2023.

How much traffic does Marysville Road over Dobbins Creek carry?

About 2,400 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Marysville Road over Dobbins Creek?

The structure is 126 ft (38.4 m) long with a longest span of 82 ft (25 m) and a deck 39 ft wide.

Who owns Marysville Road over Dobbins Creek?

It is owned by the County Highway Agency.