US Bridges

SR 56 EB over Rancho Penasquitos Blvd

Good

San Diego County, California · 11-SD-056-7.80-SD · Structure no. 57 1009R

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
216 ft
2 main spans
Daily traffic
17,000
2016 count
Owner
State
State Highway Agency

About this bridge

SR 56 EB over Rancho Penasquitos Blvd is a prestressed concrete continuous box beam or girders - multiple carrying SR 56 EB over Rancho Penasquitos Blvd 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 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 17,000 vehicles a day, roughly 3% of them trucks, projected to reach 44,885 by 2045. The structure is 216 ft (65.8 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 56 EB
CrossesRancho Penasquitos Blvd
Location11-SD-056-7.80-SD
RouteState Highway 56
Coordinates32.95824, -117.11376
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span118 ft (36 m)
Deck width89 ft (27 m)
Roadway width85 ft (26 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2016)
Projected traffic44,885 by 2045
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 SR 56 EB over Rancho Penasquitos Blvd built?

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

What condition is SR 56 EB over Rancho Penasquitos Blvd 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 May 2024.

How much traffic does SR 56 EB over Rancho Penasquitos Blvd carry?

About 17,000 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is SR 56 EB over Rancho Penasquitos Blvd?

The structure is 216 ft (65.8 m) long with a longest span of 118 ft (36 m) and a deck 89 ft wide.

Who owns SR 56 EB over Rancho Penasquitos Blvd?

It is owned by the State Highway Agency.