US Bridges

Harbor DR over Mtdb Lrt BNSF RY & Sdiv

Good

San Diego County, California · 0.3 MI Se/O 5th Ave · Structure no. 57C0196

Built
1943
82 years old, rebuilt 1977
Condition
Good
inspected April 2022
Type
Tee Beam
Concrete Continuous
Length
998 ft
19 main spans
Daily traffic
19,075
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harbor DR over Mtdb Lrt BNSF RY & Sdiv is a concrete continuous tee beam carrying Harbor DR over Mtdb Lrt BNSF RY & Sdiv in San Diego County, California. It was built in 1943 and reconstructed in 1977, so it is 82 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 19,075 vehicles a day, roughly 4% of them trucks, projected to reach 24,519 by 2044. The structure is 998 ft (304.2 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHarbor DR
CrossesMtdb Lrt BNSF RY & Sdiv
Location0.3 MI Se/O 5th Ave
RouteCity Street 0
Coordinates32.70249, -117.15355
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans19
Design loadUnknown
Structure length998 ft (304.2 m)
Longest span60 ft (18.3 m)
Deck width72 ft (21.9 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,075 (2022)
Projected traffic24,519 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Harbor DR over Mtdb Lrt BNSF RY & Sdiv built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1977.

What condition is Harbor DR over Mtdb Lrt BNSF RY & Sdiv 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 April 2022.

How much traffic does Harbor DR over Mtdb Lrt BNSF RY & Sdiv carry?

About 19,075 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Harbor DR over Mtdb Lrt BNSF RY & Sdiv?

The structure is 998 ft (304.2 m) long with a longest span of 60 ft (18.3 m) and a deck 72 ft wide.

Who owns Harbor DR over Mtdb Lrt BNSF RY & Sdiv?

It is owned by the City or Municipal Highway Agency.