US Bridges

Interstate 905 EB over Mtdb Lrt & Sdiv RR

Fair

San Diego County, California · 11-SD-905-3.72-SD · Structure no. 57 0852R

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
208 ft
3 main spans
Daily traffic
19,500
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 905 EB over Mtdb Lrt & Sdiv RR is a concrete continuous box beam or girders - multiple carrying Interstate 905 EB over Mtdb Lrt & Sdiv RR in San Diego County, California. It was built in 1976, so it is 49 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 19,500 vehicles a day, roughly 6% of them trucks, projected to reach 42,048 by 2042. The structure is 208 ft (63.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesInterstate 905 EB
CrossesMtdb Lrt & Sdiv RR
Location11-SD-905-3.72-SD
RouteState Highway 905
CountySan Diego County
StateCalifornia
Coordinates32.56799, -117.06486
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJanuary 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length208 ft (63.4 m)
Longest span85 ft (25.9 m)
Deck width51 ft (15.6 m)
Roadway width49 ft (15 m)
Vertical clearance over deck19 ft (5.7 m)

Traffic and service

Average daily traffic19,500 (2020)
Projected traffic42,048 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Interstate 905 EB over Mtdb Lrt & Sdiv RR built?

It was built in 1976, making it 49 years old in 2025.

What condition is Interstate 905 EB over Mtdb Lrt & Sdiv RR 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 January 2024.

How much traffic does Interstate 905 EB over Mtdb Lrt & Sdiv RR carry?

About 19,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 905 EB over Mtdb Lrt & Sdiv RR?

The structure is 208 ft (63.4 m) long with a longest span of 85 ft (25.9 m) and a deck 51 ft wide.

Who owns Interstate 905 EB over Mtdb Lrt & Sdiv RR?

It is owned by the State Highway Agency.