US Bridges

Road #200 over Stony Creek Irrg Canal

Fair

Glenn County, California · 6.45 MI W of I-5 · Structure no. 11C0207

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
300
2012 count
Owner
County
County Highway Agency

About this bridge

Road #200 over Stony Creek Irrg Canal is a concrete continuous slab carrying Road #200 over Stony Creek Irrg Canal in Glenn County, California. It was built in 1950, so it is 75 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 506 by 2046. The structure is 49 ft (14.9 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad #200
CrossesStony Creek Irrg Canal
Location6.45 MI W of I-5
RouteCounty Highway 0
Coordinates39.79182, -122.31141
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2012)
Projected traffic506 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Road #200 over Stony Creek Irrg Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Road #200 over Stony Creek Irrg 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 February 2024.

How much traffic does Road #200 over Stony Creek Irrg Canal carry?

About 300 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Road #200 over Stony Creek Irrg Canal?

The structure is 49 ft (14.9 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Road #200 over Stony Creek Irrg Canal?

It is owned by the County Highway Agency.