US Bridges

Pacific St. over Loma Alta Creek

Poor

San Diego County, California · 0.3MI S/O Oceanside Blvd · Structure no. 57C0707

Built
1985
40 years old
Condition
Poor
inspected June 2023
Type
Slab
Concrete
Length
60 ft
1 main span
Daily traffic
4,320
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pacific St. over Loma Alta Creek is a concrete slab carrying Pacific St. over Loma Alta Creek 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 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 4,320 vehicles a day, roughly 1% of them trucks, projected to reach 5,376 by 2045. The structure is 60 ft (18.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPacific St.
CrossesLoma Alta Creek
Location0.3MI S/O Oceanside Blvd
RouteCity Street 0
Coordinates33.17702, -117.36882
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span54 ft (16.5 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,320 (2016)
Projected traffic5,376 by 2045
Trucks1%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$492,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pacific St. over Loma Alta Creek built?

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

What condition is Pacific St. over Loma Alta 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 June 2023.

How much traffic does Pacific St. over Loma Alta Creek carry?

About 4,320 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Pacific St. over Loma Alta Creek?

The structure is 60 ft (18.2 m) long with a longest span of 54 ft (16.5 m) and a deck 53 ft wide.

Who owns Pacific St. over Loma Alta Creek?

It is owned by the City or Municipal Highway Agency.