US Bridges

Bayliss Blue Gum R over Drain a

Fair

Glenn County, California · 6 MI E of I-5 · Structure no. 11C0209

Built
1953
72 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
1,100
2011 count
Owner
County
County Highway Agency

About this bridge

Bayliss Blue Gum R over Drain a is a concrete continuous culvert carrying Bayliss Blue Gum R over Drain a in Glenn County, California. It was built in 1953, so it is 72 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 1,100 vehicles a day, roughly 10% of them trucks, projected to reach 1,779 by 2044. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBayliss Blue Gum R
CrossesDrain a
Location6 MI E of I-5
RouteCounty Highway 0
Coordinates39.58281, -122.09745
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 protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span13 ft (4 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2011)
Projected traffic1,779 by 2044
Trucks10%
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 Bayliss Blue Gum R over Drain a built?

It was built in 1953, making it 72 years old in 2025.

What condition is Bayliss Blue Gum R over Drain a 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 Bayliss Blue Gum R over Drain a carry?

About 1,100 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Bayliss Blue Gum R over Drain a?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m) and a deck 32 ft wide.

Who owns Bayliss Blue Gum R over Drain a?

It is owned by the County Highway Agency.