US Bridges

Quince Street over Escondido Creek

Poor

San Diego County, California · 0.1M N/O Valley Parkway · Structure no. 57C0447

Built
1965
60 years old, rebuilt 1990
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
12,700
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Quince Street over Escondido Creek is a prestressed concrete box beam or girders - multiple carrying Quince Street over Escondido Creek in San Diego County, California. It was built in 1965 and reconstructed in 1990, so it is 60 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 12,700 vehicles a day, roughly 2% of them trucks, projected to reach 13,000 by 2042. The structure is 63 ft (19.2 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesQuince Street
CrossesEscondido Creek
Location0.1M N/O Valley Parkway
RouteCity Street 0
Coordinates33.12039, -117.08977
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width75 ft (22.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2023)
Projected traffic13,000 by 2042
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Quince Street over Escondido Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.

What condition is Quince Street over Escondido Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Quince Street over Escondido Creek carry?

About 12,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Quince Street over Escondido Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 75 ft wide.

Who owns Quince Street over Escondido Creek?

It is owned by the City or Municipal Highway Agency.