US Bridges

Road 53 over Colusa Drain

Fair

Glenn County, California · 0.5 MI E Road V · Structure no. 11C0236

Built
1945
80 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
8
2011 count
Owner
County
County Highway Agency

About this bridge

Road 53 over Colusa Drain is a steel stringer/multi-beam or girder carrying Road 53 over Colusa Drain in Glenn County, California. It was built in 1945, so it is 80 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 8 vehicles a day, projected to reach 13 by 2042. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRoad 53
CrossesColusa Drain
Location0.5 MI E Road V
RouteCounty Highway 0
Coordinates39.50733, -122.05362
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8 (2011)
Projected traffic13 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 53 over Colusa Drain built?

It was built in 1945, making it 80 years old in 2025.

What condition is Road 53 over Colusa Drain 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 53 over Colusa Drain carry?

About 8 vehicles per day (2011 count).

How long is Road 53 over Colusa Drain?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 20 ft wide.

Who owns Road 53 over Colusa Drain?

It is owned by the County Highway Agency.