US Bridges

Rainbow Vly Blvd over Route 15

Fair

San Diego County, California · 11-SD-015-R54.07 · Structure no. 57 0899

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
298 ft
2 main spans
Daily traffic
900
2020 count
Owner
State
State Highway Agency

About this bridge

Rainbow Vly Blvd over Route 15 is a prestressed concrete continuous box beam or girders - multiple carrying Rainbow Vly Blvd over Route 15 in San Diego County, California. It was built in 1985, so it is 40 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 900 vehicles a day, roughly 4% of them trucks, projected to reach 1,541 by 2045. The structure is 298 ft (90.8 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRainbow Vly Blvd
CrossesRoute 15
Location11-SD-015-R54.07
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates33.43079, -117.14601
Functional classRural Minor Collector

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.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length298 ft (90.8 m)
Longest span155 ft (47.2 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2020)
Projected traffic1,541 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 Rainbow Vly Blvd over Route 15 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rainbow Vly Blvd over Route 15 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 June 2024.

How much traffic does Rainbow Vly Blvd over Route 15 carry?

About 900 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Rainbow Vly Blvd over Route 15?

The structure is 298 ft (90.8 m) long with a longest span of 155 ft (47.2 m) and a deck 44 ft wide.

Who owns Rainbow Vly Blvd over Route 15?

It is owned by the State Highway Agency.