US Bridges

Palomar Airport RD over Nctd BNSF RY & AMTRAK

Good

San Diego County, California · 0.25MI W/O Route 1-5 · Structure no. 57C0176

Built
1965
60 years old
Condition
Good
inspected August 2021
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
223 ft
3 main spans
Daily traffic
10,933
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Palomar Airport RD over Nctd BNSF RY & AMTRAK is a concrete continuous box beam or girders - multiple carrying Palomar Airport RD over Nctd BNSF RY & AMTRAK in San Diego County, California. It was built in 1965, 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 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 10,933 vehicles a day, roughly 1% of them trucks, projected to reach 14,668 by 2038. The structure is 223 ft (68 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPalomar Airport RD
CrossesNctd BNSF RY & AMTRAK
Location0.25MI W/O Route 1-5
RouteCity Street 0
Coordinates33.12266, -117.32637
Functional classUrban Other Principal Arterial

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 inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating38.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length223 ft (68 m)
Longest span87 ft (26.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,933 (2016)
Projected traffic14,668 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Palomar Airport RD over Nctd BNSF RY & AMTRAK built?

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

What condition is Palomar Airport RD over Nctd BNSF RY & AMTRAK 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 August 2021.

How much traffic does Palomar Airport RD over Nctd BNSF RY & AMTRAK carry?

About 10,933 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Palomar Airport RD over Nctd BNSF RY & AMTRAK?

The structure is 223 ft (68 m) long with a longest span of 87 ft (26.5 m) and a deck 34 ft wide.

Who owns Palomar Airport RD over Nctd BNSF RY & AMTRAK?

It is owned by the City or Municipal Highway Agency.