US Bridges

Road Y over Sacramento Riv Overflow

Good

Glenn County, California · 0.3 MI S HWY 162 · Structure no. 11C0220

Built
1940
85 years old, rebuilt 1975
Condition
Good
inspected February 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
44 ft
4 main spans
Daily traffic
319
2009 count
Owner
County
County Highway Agency

About this bridge

Road Y over Sacramento Riv Overflow is a concrete continuous girder and floorbeam system carrying Road Y over Sacramento Riv Overflow in Glenn County, California. It was built in 1940 and reconstructed in 1975, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 319 vehicles a day, roughly 15% of them trucks, projected to reach 657 by 2042. The structure is 44 ft (13.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRoad Y
CrossesSacramento Riv Overflow
Location0.3 MI S HWY 162
RouteCounty Highway 0
Coordinates39.45929, -121.96777
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry6: 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 rating29.7 US tons
Inventory rating17.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span11 ft (3.4 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic319 (2009)
Projected traffic657 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Y over Sacramento Riv Overflow built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1975.

What condition is Road Y over Sacramento Riv Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Road Y over Sacramento Riv Overflow carry?

About 319 vehicles per day (2009 count), of which roughly 15% are trucks.

How long is Road Y over Sacramento Riv Overflow?

The structure is 44 ft (13.4 m) long with a longest span of 11 ft (3.4 m) and a deck 32 ft wide.

Who owns Road Y over Sacramento Riv Overflow?

It is owned by the County Highway Agency.