US Bridges

Sunset Cliffs Blvd over San Diego River

Poor

San Diego County, California · 150FT N/O RTE 8 · Structure no. 57C0287

Built
1951
74 years old, rebuilt 1993
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,150 ft
11 main spans
Daily traffic
40,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sunset Cliffs Blvd over San Diego River is a steel continuous stringer/multi-beam or girder carrying Sunset Cliffs Blvd over San Diego River in San Diego County, California. It was built in 1951 and reconstructed in 1993, so it is 74 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 40,000 vehicles a day, roughly 1% of them trucks, projected to reach 46,833 by 2041. The structure is 1,150 ft (350.5 m) long and 77 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSunset Cliffs Blvd
CrossesSan Diego River
Location150FT N/O RTE 8
RouteCity Street 0
Coordinates32.75636, -117.23509
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,150 ft (350.5 m)
Longest span108 ft (32.9 m)
Deck width77 ft (23.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,000 (2020)
Projected traffic46,833 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sunset Cliffs Blvd over San Diego River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1993.

What condition is Sunset Cliffs Blvd over San Diego River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Sunset Cliffs Blvd over San Diego River carry?

About 40,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Sunset Cliffs Blvd over San Diego River?

The structure is 1,150 ft (350.5 m) long with a longest span of 108 ft (32.9 m) and a deck 77 ft wide.

Who owns Sunset Cliffs Blvd over San Diego River?

It is owned by the City or Municipal Highway Agency.