US Bridges

Road 48 over Princeton-Codora Canal

Fair

Glenn County, California · Just W HWY 45 · Structure no. 11C0146

Built
1941
84 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
23 ft
3 main spans
Daily traffic
166
2011 count
Owner
County
County Highway Agency

About this bridge

Road 48 over Princeton-Codora Canal is a concrete continuous culvert carrying Road 48 over Princeton-Codora Canal in Glenn County, California. It was built in 1941, so it is 84 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 166 vehicles a day, roughly 10% of them trucks, projected to reach 257 by 2042. The structure is 23 ft (7 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoad 48
CrossesPrinceton-Codora Canal
LocationJust W HWY 45
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.53625, -122.00964
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
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 above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length23 ft (7 m)
Longest span6 ft (1.8 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2011)
Projected traffic257 by 2042
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 Road 48 over Princeton-Codora Canal built?

It was built in 1941, making it 84 years old in 2025.

What condition is Road 48 over Princeton-Codora 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 48 over Princeton-Codora Canal carry?

About 166 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Road 48 over Princeton-Codora Canal?

The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 21 ft wide.

Who owns Road 48 over Princeton-Codora Canal?

It is owned by the County Highway Agency.