US Bridges

Ross RD over Central Main Canal

Good

Imperial County, California · 50 Ft E/O Austin RD · Structure no. 58C0215

Built
1990
35 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
467
2016 count
Owner
County
County Highway Agency

About this bridge

Ross RD over Central Main Canal is a concrete culvert carrying Ross RD over Central Main Canal in Imperial County, California. It was built in 1990, so it is 35 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 467 vehicles a day, roughly 1% of them trucks, projected to reach 547 by 2045. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoss RD
CrossesCentral Main Canal
Location50 Ft E/O Austin RD
RouteCity Street 0
Coordinates32.78137, -115.59479
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal 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
DeckNot applicable
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic467 (2016)
Projected traffic547 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ross RD over Central Main Canal built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ross RD over Central Main Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Ross RD over Central Main Canal carry?

About 467 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Ross RD over Central Main Canal?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m).

Who owns Ross RD over Central Main Canal?

It is owned by the County Highway Agency.