US Bridges

Road Ww over Drain Ditch

Fair

Glenn County, California · N of C.R. # 92 F · Structure no. 11C0229

Built
1947
78 years old, rebuilt 1970
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
11
2011 count
Owner
County
County Highway Agency

About this bridge

Road Ww over Drain Ditch is a concrete continuous slab carrying Road Ww over Drain Ditch in Glenn County, California. It was built in 1947 and reconstructed in 1970, so it is 78 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 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 11 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 32 ft (9.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoad Ww
CrossesDrain Ditch
LocationN of C.R. # 92 F
RouteCounty Highway 0
Coordinates39.55776, -122.03702
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span13 ft (4 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2011)
Projected traffic16 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Road Ww over Drain Ditch built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1970.

What condition is Road Ww over Drain Ditch 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 Ww over Drain Ditch carry?

About 11 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Road Ww over Drain Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 13 ft (4 m) and a deck 23 ft wide.

Who owns Road Ww over Drain Ditch?

It is owned by the County Highway Agency.