US Bridges

Chico Riv RD over M & T Canal

Fair

Butte County, California · 0.62 MI E of River Road · Structure no. 12C0263

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
1,285
2019 count
Owner
County
County Highway Agency

About this bridge

Chico Riv RD over M & T Canal is a concrete continuous slab carrying Chico Riv RD over M & T Canal in Butte County, California. It was built in 1979, so it is 46 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 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 1,285 vehicles a day, roughly 10% of them trucks, projected to reach 1,168 by 2042. The structure is 73 ft (22.3 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesChico Riv RD
CrossesM & T Canal
Location0.62 MI E of River Road
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.69897, -121.91293
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,285 (2019)
Projected traffic1,168 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chico Riv RD over M & T Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Chico Riv RD over M & T Canal 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 May 2024.

How much traffic does Chico Riv RD over M & T Canal carry?

About 1,285 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Chico Riv RD over M & T Canal?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Chico Riv RD over M & T Canal?

It is owned by the County Highway Agency.