US Bridges

Indiana Avenue over Arroyo Canal

Fair

Merced County, California · 2.0 MI S of SR 152 · Structure no. 39C0267

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
42 ft
3 main spans
Daily traffic
1,095
2019 count
Owner
County
County Highway Agency

About this bridge

Indiana Avenue over Arroyo Canal is a concrete continuous culvert carrying Indiana Avenue over Arroyo Canal in Merced County, California. It was built in 1958, so it is 67 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 1,095 vehicles a day, roughly 3% of them trucks, projected to reach 3,432 by 2042. The structure is 42 ft (12.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIndiana Avenue
CrossesArroyo Canal
Location2.0 MI S of SR 152
RouteCounty Highway 0
Coordinates37.0179, -120.59941
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 protection7 GoodSome minor problems.
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 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span12 ft (3.8 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,095 (2019)
Projected traffic3,432 by 2042
Trucks3%
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 Indiana Avenue over Arroyo Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is Indiana 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 Indiana Avenue over Arroyo Canal carry?

About 1,095 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Indiana Avenue over Arroyo Canal?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.8 m) and a deck 33 ft wide.

Who owns Indiana Avenue over Arroyo Canal?

It is owned by the County Highway Agency.