US Bridges

Frenchtown RD over Dry Creek

Poor

Yuba County, California · 2.7 MI N of Marysville RD · Structure no. 16C0072

Built
1927
98 years old
Condition
Poor
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
114 ft
5 main spans
Daily traffic
490
2011 count
Owner
County
County Highway Agency

About this bridge

Frenchtown RD over Dry Creek is a concrete continuous tee beam carrying Frenchtown RD over Dry Creek in Yuba County, California. It was built in 1927, so it is 98 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 490 vehicles a day, roughly 3% of them trucks, projected to reach 1,091 by 2045. The structure is 114 ft (34.7 m) long and 21 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFrenchtown RD
CrossesDry Creek
Location2.7 MI N of Marysville RD
RouteCounty Highway 0
Coordinates39.38876, -121.25649
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length114 ft (34.7 m)
Longest span23 ft (7 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2011)
Projected traffic1,091 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$830,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Frenchtown RD over Dry Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Frenchtown RD over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Frenchtown RD over Dry Creek carry?

About 490 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Frenchtown RD over Dry Creek?

The structure is 114 ft (34.7 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns Frenchtown RD over Dry Creek?

It is owned by the County Highway Agency.