US Bridges

Finks Road over Glenn-Colusa Canal

Fair

Colusa County, California · At Danley Road · Structure no. 15C0084

Built
1930
95 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
53 ft
4 main spans
Daily traffic
10
2015 count
Owner
County
County Highway Agency

About this bridge

Finks Road over Glenn-Colusa Canal is a concrete continuous slab carrying Finks Road over Glenn-Colusa Canal in Colusa County, California. It was built in 1930, so it is 95 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2046. The structure is 53 ft (16.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFinks Road
CrossesGlenn-Colusa Canal
LocationAt Danley Road
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.26186, -122.24659
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span13 ft (4 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2015)
Projected traffic15 by 2046
Trucks10%
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 Finks Road over Glenn-Colusa Canal built?

It was built in 1930, making it 95 years old in 2025.

What condition is Finks Road 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 December 2024.

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

About 10 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Finks Road over Glenn-Colusa Canal?

The structure is 53 ft (16.2 m) long with a longest span of 13 ft (4 m) and a deck 20 ft wide.

Who owns Finks Road over Glenn-Colusa Canal?

It is owned by the County Highway Agency.