US Bridges

Davidson Ave over Colony Main Canal

Fair

Fresno County, California · 0.6 MI S Valeria Ave · Structure no. 42C0393

Built
1976
49 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
48 ft
2 main spans
Daily traffic
150
2010 count
Owner
County
County Highway Agency

About this bridge

Davidson Ave over Colony Main Canal is a concrete continuous slab carrying Davidson Ave over Colony Main Canal in Fresno County, California. It was built in 1976, so it is 49 years old, younger 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 150 vehicles a day, roughly 20% of them trucks, projected to reach 230 by 2040. The structure is 48 ft (14.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDavidson Ave
CrossesColony Main Canal
Location0.6 MI S Valeria Ave
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.97248, -120.58143
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span23 ft (7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2010)
Projected traffic230 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Davidson Ave over Colony Main Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is Davidson Ave over Colony Main 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 2023.

How much traffic does Davidson Ave over Colony Main Canal carry?

About 150 vehicles per day (2010 count), of which roughly 20% are trucks.

How long is Davidson Ave over Colony Main Canal?

The structure is 48 ft (14.6 m) long with a longest span of 23 ft (7 m) and a deck 29 ft wide.

Who owns Davidson Ave over Colony Main Canal?

It is owned by the County Highway Agency.