US Bridges

4th Avenue over "c" Canal

Good

Riverside County, California · 0.96 Mi. W/O Route 95 HWY · Structure no. 56C0265

Built
1971
54 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
185
2012 count
Owner
County
County Highway Agency

About this bridge

4th Avenue over "c" Canal is a prestressed concrete stringer/multi-beam or girder carrying 4th Avenue over "c" Canal in Riverside County, California. It was built in 1971, so it is 54 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 185 vehicles a day, roughly 1% of them trucks, projected to reach 316 by 2046. The structure is 95 ft (29 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries4th Avenue
Crosses"c" Canal
Location0.96 Mi. W/O Route 95 HWY
RouteCounty Highway 0
Coordinates33.67596, -114.58918
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2012)
Projected traffic316 by 2046
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 4th Avenue over "c" Canal built?

It was built in 1971, making it 54 years old in 2025.

What condition is 4th Avenue over "c" 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 October 2024.

How much traffic does 4th Avenue over "c" Canal carry?

About 185 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 4th Avenue over "c" Canal?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.

Who owns 4th Avenue over "c" Canal?

It is owned by the County Highway Agency.