US Bridges

Aguas Frias Road over Butte Creek

Fair

Butte County, California · 2.8 MI N Richvale RD · Structure no. 12C0427

Built
2009
16 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,043 ft
8 main spans
Daily traffic
1,000
2018 count
Owner
County
County Highway Agency

About this bridge

Aguas Frias Road over Butte Creek is a prestressed concrete continuous box beam or girders - multiple carrying Aguas Frias Road over Butte Creek in Butte County, California. It was built in 2009, so it is 16 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,400 by 2044. The structure is 1,043 ft (318 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAguas Frias Road
CrossesButte Creek
Location2.8 MI N Richvale RD
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.5316, -121.85638
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length1,043 ft (318 m)
Longest span141 ft (43 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,400 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesWaterway
Detour if closed3.7 mi (6 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 Aguas Frias Road over Butte Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Aguas Frias Road over Butte 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 January 2025.

How much traffic does Aguas Frias Road over Butte Creek carry?

About 1,000 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Aguas Frias Road over Butte Creek?

The structure is 1,043 ft (318 m) long with a longest span of 141 ft (43 m) and a deck 31 ft wide.

Who owns Aguas Frias Road over Butte Creek?

It is owned by the County Highway Agency.