US Bridges

Interstate 5 Bypas over Carmel Mountain Road

Good

San Diego County, California · 11-SD-005-R31.80 · Structure no. 57 0314S

Built
2006
19 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
169 ft
1 main span
Daily traffic
24,100
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 Bypas over Carmel Mountain Road is a prestressed concrete box beam or girders - multiple carrying Interstate 5 Bypas over Carmel Mountain Road in San Diego County, California. It was built in 2006, so it is 19 years old, younger 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 24,100 vehicles a day, roughly 2% of them trucks, projected to reach 30,707 by 2047. The structure is 169 ft (51.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5 Bypas
CrossesCarmel Mountain Road
Location11-SD-005-R31.80
RouteInterstate 5
Coordinates32.91803, -117.23394
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length169 ft (51.4 m)
Longest span169 ft (51.4 m)
Deck width59 ft (17.9 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,100 (2020)
Projected traffic30,707 by 2047
Trucks2%
Lanes on structure4
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 Bypas over Carmel Mountain Road built?

It was built in 2006, making it 19 years old in 2025.

What condition is Interstate 5 Bypas over Carmel Mountain Road 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 January 2025.

How much traffic does Interstate 5 Bypas over Carmel Mountain Road carry?

About 24,100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Interstate 5 Bypas over Carmel Mountain Road?

The structure is 169 ft (51.4 m) long with a longest span of 169 ft (51.4 m) and a deck 59 ft wide.

Who owns Interstate 5 Bypas over Carmel Mountain Road?

It is owned by the State Highway Agency.