US Bridges

Baltimore DR over Interstate 8

Fair

San Diego County, California · 11-SD-008-10.78-LMSA · Structure no. 57 0863

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
454 ft
3 main spans
Daily traffic
26,000
2014 count
Owner
State
State Highway Agency

About this bridge

Baltimore DR over Interstate 8 is a prestressed concrete continuous box beam or girders - multiple carrying Baltimore DR over Interstate 8 in San Diego County, California. It was built in 1973, so it is 52 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 26,000 vehicles a day, roughly 1% of them trucks, projected to reach 35,944 by 2044. The structure is 454 ft (138.4 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBaltimore DR
CrossesInterstate 8
Location11-SD-008-10.78-LMSA
RouteCity Street 0S272
CountySan Diego County
StateCalifornia
Coordinates32.77242, -117.02717
Functional classUrban Minor Arterial

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length454 ft (138.4 m)
Longest span175 ft (53.3 m)
Deck width79 ft (24.2 m)
Roadway width58 ft (17.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2014)
Projected traffic35,944 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Baltimore DR over Interstate 8 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Baltimore DR over Interstate 8 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 May 2024.

How much traffic does Baltimore DR over Interstate 8 carry?

About 26,000 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Baltimore DR over Interstate 8?

The structure is 454 ft (138.4 m) long with a longest span of 175 ft (53.3 m) and a deck 79 ft wide.

Who owns Baltimore DR over Interstate 8?

It is owned by the State Highway Agency.