US Bridges

Sea Cliff Blvd over West Mission Bay Drive

Fair

San Diego County, California · 0.4MI N/O RTE I-8 · Structure no. 57C0256

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
6,066
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sea Cliff Blvd over West Mission Bay Drive is a concrete continuous box beam or girders - multiple carrying Sea Cliff Blvd over West Mission Bay Drive in San Diego County, California. It was built in 1972, so it is 53 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 6,066 vehicles a day, roughly 1% of them trucks, projected to reach 6,400 by 2041. The structure is 215 ft (65.5 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSea Cliff Blvd
CrossesWest Mission Bay Drive
Location0.4MI N/O RTE I-8
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.76118, -117.23032
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating63.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length215 ft (65.5 m)
Longest span106 ft (32.3 m)
Deck width88 ft (26.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,066 (2020)
Projected traffic6,400 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sea Cliff Blvd over West Mission Bay Drive built?

It was built in 1972, making it 53 years old in 2025.

What condition is Sea Cliff Blvd over West Mission Bay Drive 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 2024.

How much traffic does Sea Cliff Blvd over West Mission Bay Drive carry?

About 6,066 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Sea Cliff Blvd over West Mission Bay Drive?

The structure is 215 ft (65.5 m) long with a longest span of 106 ft (32.3 m) and a deck 88 ft wide.

Who owns Sea Cliff Blvd over West Mission Bay Drive?

It is owned by the City or Municipal Highway Agency.