US Bridges

Aguas Frias Road over Western Canal-Pratt Latl

Fair

Butte County, California · 1.5 MI North of Nelson RD · Structure no. 12C0430

Built
1960
65 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
23 ft
4 main spans
Daily traffic
423
2019 count
Owner
County
County Highway Agency

About this bridge

Aguas Frias Road over Western Canal-Pratt Latl is a concrete culvert carrying Aguas Frias Road over Western Canal-Pratt Latl in Butte County, California. It was built in 1960, so it is 65 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 423 vehicles a day, roughly 15% of them trucks, projected to reach 855 by 2042. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesAguas Frias Road
CrossesWestern Canal-Pratt Latl
Location1.5 MI North of Nelson RD
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.57328, -121.85694
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic423 (2019)
Projected traffic855 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 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 Aguas Frias Road over Western Canal-Pratt Latl built?

It was built in 1960, making it 65 years old in 2025.

What condition is Aguas Frias Road over Western Canal-Pratt Latl 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 February 2025.

How much traffic does Aguas Frias Road over Western Canal-Pratt Latl carry?

About 423 vehicles per day (2019 count), of which roughly 15% are trucks.

How long is Aguas Frias Road over Western Canal-Pratt Latl?

The structure is 23 ft (7.1 m) long with a longest span of 5 ft (1.5 m).

Who owns Aguas Frias Road over Western Canal-Pratt Latl?

It is owned by the County Highway Agency.