US Bridges

Cannon Road over Agua Hedionda Channel

Fair

San Diego County, California · 100 Ft S/O El Camino Real · Structure no. 57C0762

Built
2002
23 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
11,075
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cannon Road over Agua Hedionda Channel is a concrete continuous slab carrying Cannon Road over Agua Hedionda Channel in San Diego County, California. It was built in 2002, so it is 23 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 11,075 vehicles a day, roughly 4% of them trucks, projected to reach 12,827 by 2040. The structure is 134 ft (40.8 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCannon Road
CrossesAgua Hedionda Channel
Location100 Ft S/O El Camino Real
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates33.14867, -117.29784
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span48 ft (14.6 m)
Deck width95 ft (29 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,075 (2017)
Projected traffic12,827 by 2040
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cannon Road over Agua Hedionda Channel built?

It was built in 2002, making it 23 years old in 2025.

What condition is Cannon Road over Agua Hedionda Channel 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 August 2023.

How much traffic does Cannon Road over Agua Hedionda Channel carry?

About 11,075 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Cannon Road over Agua Hedionda Channel?

The structure is 134 ft (40.8 m) long with a longest span of 48 ft (14.6 m) and a deck 95 ft wide.

Who owns Cannon Road over Agua Hedionda Channel?

It is owned by the City or Municipal Highway Agency.