US Bridges

LA Porte Road over South Honcut Creek

Fair

Yuba County, California · 2 MI SW of Willow Glen RD · Structure no. 16C0100

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
87 ft
2 main spans
Daily traffic
390
2007 count
Owner
County
County Highway Agency

About this bridge

LA Porte Road over South Honcut Creek is a steel culvert carrying LA Porte Road over South Honcut Creek in Yuba County, California. It was built in 1972, so it is 53 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 6 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 390 vehicles a day, roughly 5% of them trucks, projected to reach 866 by 2045. The structure is 87 ft (26.6 m) long. If it were closed, the detour would be 27.3 mi (44 km).

CarriesLA Porte Road
CrossesSouth Honcut Creek
Location2 MI SW of Willow Glen RD
RouteCounty Highway 0
Coordinates39.44508, -121.30834
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length87 ft (26.6 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck24 ft (7.2 m)

Traffic and service

Average daily traffic390 (2007)
Projected traffic866 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed27.3 mi (44 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 LA Porte Road over South Honcut Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA Porte Road 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 LA Porte Road over South Honcut Creek carry?

About 390 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is LA Porte Road over South Honcut Creek?

The structure is 87 ft (26.6 m) long with a longest span of 15 ft (4.6 m).

Who owns LA Porte Road over South Honcut Creek?

It is owned by the County Highway Agency.