US Bridges

Vierra RD over South Honcut Creek

Fair

Yuba County, California · 0.3 MI S of LA Porte RD · Structure no. 16C0090

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
150
2007 count
Owner
County
County Highway Agency

About this bridge

Vierra RD over South Honcut Creek is a steel stringer/multi-beam or girder carrying Vierra RD over South Honcut Creek in Yuba County, California. It was built in 1950, so it is 75 years old, older 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 150 vehicles a day, roughly 20% of them trucks, projected to reach 217 by 2045. The structure is 23 ft (7 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesVierra RD
CrossesSouth Honcut Creek
Location0.3 MI S of LA Porte RD
RouteCounty Highway 0
Coordinates39.43966, -121.31556
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2007)
Projected traffic217 by 2045
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Vierra RD over South Honcut Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Vierra RD over South Honcut 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 Vierra RD over South Honcut Creek carry?

About 150 vehicles per day (2007 count), of which roughly 20% are trucks.

How long is Vierra RD over South Honcut Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.2 m) and a deck 16 ft wide.

Who owns Vierra RD over South Honcut Creek?

It is owned by the County Highway Agency.