US Bridges

Biggs Ave over Rudy Creek

Fair

Butte County, California · 0.2 MI E of 18th ST · Structure no. 12C0196

Built
1966
59 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
550
2017 count
Owner
County
County Highway Agency

About this bridge

Biggs Ave over Rudy Creek is a concrete continuous culvert carrying Biggs Ave over Rudy Creek in Butte County, California. It was built in 1966, so it is 59 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 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 1,098 by 2043. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBiggs Ave
CrossesRudy Creek
Location0.2 MI E of 18th ST
RouteCounty Highway 0
Coordinates39.50236, -121.59999
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span9 ft (2.7 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2017)
Projected traffic1,098 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Biggs Ave over Rudy Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Biggs Ave over Rudy 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 March 2025.

How much traffic does Biggs Ave over Rudy Creek carry?

About 550 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Biggs Ave over Rudy Creek?

The structure is 26 ft (7.9 m) long with a longest span of 9 ft (2.7 m) and a deck 33 ft wide.

Who owns Biggs Ave over Rudy Creek?

It is owned by the County Highway Agency.