US Bridges

Channel Road over San Diego River

Fair

San Diego County, California · 0.17 MI N/O Mapleview ST · Structure no. 57C0699

Built
1998
27 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
250 ft
3 main spans
Daily traffic
11,800
2023 count
Owner
County
County Highway Agency

About this bridge

Channel Road over San Diego River is a prestressed concrete continuous box beam or girders - multiple carrying Channel Road over San Diego River in San Diego County, California. It was built in 1998, so it is 27 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 11,800 vehicles a day, roughly 3% of them trucks, projected to reach 14,000 by 2045. The structure is 250 ft (76.2 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChannel Road
CrossesSan Diego River
Location0.17 MI N/O Mapleview ST
RouteCounty Highway 0
Coordinates32.86497, -116.92719
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length250 ft (76.2 m)
Longest span96 ft (29.3 m)
Deck width84 ft (25.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2023)
Projected traffic14,000 by 2045
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Channel Road over San Diego River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Channel Road over San Diego River 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 September 2023.

How much traffic does Channel Road over San Diego River carry?

About 11,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Channel Road over San Diego River?

The structure is 250 ft (76.2 m) long with a longest span of 96 ft (29.3 m) and a deck 84 ft wide.

Who owns Channel Road over San Diego River?

It is owned by the County Highway Agency.