US Bridges

W Mission Bay DR over Mission Bay Channel

Fair

San Diego County, California · 0.5MI E/O Mission Blvd · Structure no. 57C0426

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,188 ft
9 main spans
Daily traffic
18,200
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Mission Bay DR over Mission Bay Channel is a prestressed concrete stringer/multi-beam or girder carrying W Mission Bay DR over Mission Bay Channel 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 18,200 vehicles a day, roughly 2% of them trucks, projected to reach 38,674 by 2045. The structure is 1,188 ft (362.1 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW Mission Bay DR
CrossesMission Bay Channel
Location0.5MI E/O Mission Blvd
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.76682, -117.24056
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating87.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,188 ft (362.1 m)
Longest span132 ft (40.2 m)
Deck width82 ft (25 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2016)
Projected traffic38,674 by 2045
Trucks2%
Lanes on structure4
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was W Mission Bay DR over Mission Bay Channel built?

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

What condition is W Mission Bay DR over Mission Bay 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 October 2023.

How much traffic does W Mission Bay DR over Mission Bay Channel carry?

About 18,200 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is W Mission Bay DR over Mission Bay Channel?

The structure is 1,188 ft (362.1 m) long with a longest span of 132 ft (40.2 m) and a deck 82 ft wide.

Who owns W Mission Bay DR over Mission Bay Channel?

It is owned by the City or Municipal Highway Agency.