US Bridges

Interstate 5 over Camp Pendleton

Good

San Diego County, California · 11-SD-005-R54.39-OCN · Structure no. 57 0235L

Built
1955
70 years old, rebuilt 1971
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
62 ft
1 main span
Daily traffic
78,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Camp Pendleton is a concrete box beam or girders - multiple carrying Interstate 5 over Camp Pendleton in San Diego County, California. It was built in 1955 and reconstructed in 1971, so it is 70 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 78,000 vehicles a day, projected to reach 115,500 by 2045. The structure is 62 ft (18.9 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesCamp Pendleton
Location11-SD-005-R54.39-OCN
RouteInterstate 5
Coordinates33.21038, -117.38729
Functional classUrban Principal Arterial - Interstate

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating37.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width103 ft (31.4 m)
Roadway width101 ft (30.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,000 (2020)
Projected traffic115,500 by 2045
Trucks0%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 5 over Camp Pendleton built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1971.

What condition is Interstate 5 over Camp Pendleton 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 April 2024.

How much traffic does Interstate 5 over Camp Pendleton carry?

About 78,000 vehicles per day (2020 count).

How long is Interstate 5 over Camp Pendleton?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 103 ft wide.

Who owns Interstate 5 over Camp Pendleton?

It is owned by the State Highway Agency.