US Bridges

Nobel Drive over Interstate 5

Good

San Diego County, California · 11-SD-005-R28.16-SD · Structure no. 57 0301

Built
1966
59 years old, rebuilt 1990
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
228 ft
2 main spans
Daily traffic
21,500
2020 count
Owner
State
State Highway Agency

About this bridge

Nobel Drive over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Nobel Drive over Interstate 5 in San Diego County, California. It was built in 1966 and reconstructed in 1990, so it is 59 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,500 vehicles a day, roughly 2% of them trucks, projected to reach 25,582 by 2047. The structure is 228 ft (69.5 m) long and 92 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNobel Drive
CrossesInterstate 5
Location11-SD-005-R28.16-SD
RouteCity Street 0
Coordinates32.86806, -117.22997
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span116 ft (35.4 m)
Deck width92 ft (28 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (2020)
Projected traffic25,582 by 2047
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nobel Drive over Interstate 5 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1990.

What condition is Nobel Drive over Interstate 5 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Nobel Drive over Interstate 5 carry?

About 21,500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nobel Drive over Interstate 5?

The structure is 228 ft (69.5 m) long with a longest span of 116 ft (35.4 m) and a deck 92 ft wide.

Who owns Nobel Drive over Interstate 5?

It is owned by the State Highway Agency.