US Bridges

Dairy Mart Road over Tijuana River

Fair

San Diego County, California · 0.7MI S/O Route I-5 · Structure no. 57C0718

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
1,001 ft
5 main spans
Daily traffic
2,130
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dairy Mart Road over Tijuana River is a concrete box beam or girders - multiple carrying Dairy Mart Road over Tijuana River in San Diego County, California. It was built in 1997, so it is 28 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 2,130 vehicles a day, roughly 3% of them trucks, projected to reach 3,500 by 2046. The structure is 1,001 ft (305 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDairy Mart Road
CrossesTijuana River
Location0.7MI S/O Route I-5
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.54646, -117.06617
Functional classUrban Local

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length1,001 ft (305 m)
Longest span217 ft (66 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,130 (2024)
Projected traffic3,500 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dairy Mart Road over Tijuana River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Dairy Mart Road over Tijuana River 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 Dairy Mart Road over Tijuana River carry?

About 2,130 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Dairy Mart Road over Tijuana River?

The structure is 1,001 ft (305 m) long with a longest span of 217 ft (66 m) and a deck 48 ft wide.

Who owns Dairy Mart Road over Tijuana River?

It is owned by the City or Municipal Highway Agency.