US Bridges

Science Center DR over Genesee Canyon

Fair

San Diego County, California · 40 Ft N/O Genesee Ave · Structure no. 57C0646

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
293 ft
3 main spans
Daily traffic
600
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Science Center DR over Genesee Canyon is a prestressed concrete continuous box beam or girders - multiple carrying Science Center DR over Genesee Canyon in San Diego County, California. It was built in 1993, so it is 32 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 600 vehicles a day, projected to reach 768 by 2045. The structure is 293 ft (89.3 m) long and 80 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesScience Center DR
CrossesGenesee Canyon
Location40 Ft N/O Genesee Ave
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.88944, -117.23319
Functional classUrban Local

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 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length293 ft (89.3 m)
Longest span112 ft (34.1 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2016)
Projected traffic768 by 2045
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Science Center DR over Genesee Canyon built?

It was built in 1993, making it 32 years old in 2025.

What condition is Science Center DR over Genesee Canyon 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 Science Center DR over Genesee Canyon carry?

About 600 vehicles per day (2016 count).

How long is Science Center DR over Genesee Canyon?

The structure is 293 ft (89.3 m) long with a longest span of 112 ft (34.1 m) and a deck 80 ft wide.

Who owns Science Center DR over Genesee Canyon?

It is owned by the City or Municipal Highway Agency.