US Bridges

Arroya Avenue over Arroyo Canal

Fair

Merced County, California · 0.7 MI S of S.R. 152 · Structure no. 39C0274

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
170
2000 count
Owner
County
County Highway Agency

About this bridge

Arroya Avenue over Arroyo Canal is a concrete continuous culvert carrying Arroya Avenue over Arroyo Canal in Merced County, California. It was built in 1980, so it is 45 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 170 vehicles a day, roughly 3% of them trucks, projected to reach 575 by 2042. The structure is 32 ft (9.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesArroya Avenue
CrossesArroyo Canal
Location0.7 MI S of S.R. 152
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.04383, -120.67172
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3.1 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2000)
Projected traffic575 by 2042
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Arroya Avenue over Arroyo Canal built?

It was built in 1980, making it 45 years old in 2025.

What condition is Arroya Avenue over Arroyo 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 November 2024.

How much traffic does Arroya Avenue over Arroyo Canal carry?

About 170 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Arroya Avenue over Arroyo Canal?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3.1 m) and a deck 36 ft wide.

Who owns Arroya Avenue over Arroyo Canal?

It is owned by the County Highway Agency.