US Bridges

Road 62 over Glenn-Colusa Canal

Fair

Glenn County, California · 0.3 MI E/O Road F · Structure no. 11C0004

Built
1946
79 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
2 main spans
Daily traffic
72
2011 count
Owner
County
County Highway Agency

About this bridge

Road 62 over Glenn-Colusa Canal is a steel stringer/multi-beam or girder carrying Road 62 over Glenn-Colusa Canal in Glenn County, California. It was built in 1946, so it is 79 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 72 vehicles a day, projected to reach 82 by 2043. The structure is 58 ft (17.7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRoad 62
CrossesGlenn-Colusa Canal
Location0.3 MI E/O Road F
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.45089, -122.22409
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2011)
Projected traffic82 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 62 over Glenn-Colusa Canal built?

It was built in 1946, making it 79 years old in 2025.

What condition is Road 62 over Glenn-Colusa 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 January 2025.

How much traffic does Road 62 over Glenn-Colusa Canal carry?

About 72 vehicles per day (2011 count).

How long is Road 62 over Glenn-Colusa Canal?

The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns Road 62 over Glenn-Colusa Canal?

It is owned by the County Highway Agency.