US Bridges

El Cajon Blvd over Mtdb Lrt & Sdiv RR

Fair

San Diego County, California · 20FT E/O Murray DR · Structure no. 57C0541

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
224 ft
3 main spans
Daily traffic
4,900
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

El Cajon Blvd over Mtdb Lrt & Sdiv RR is a prestressed concrete continuous box beam or girders - multiple carrying El Cajon Blvd over Mtdb Lrt & Sdiv RR in San Diego County, California. It was built in 1986, so it is 39 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 4,900 vehicles a day, roughly 2% of them trucks, projected to reach 5,296 by 2042. The structure is 224 ft (68.3 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEl Cajon Blvd
CrossesMtdb Lrt & Sdiv RR
Location20FT E/O Murray DR
RouteCity Street 0
Coordinates32.77946, -116.98636
Functional classUrban Collector

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 inspectionSeptember 2023
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 alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length224 ft (68.3 m)
Longest span100 ft (30.5 m)
Deck width45 ft (13.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2016)
Projected traffic5,296 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 El Cajon Blvd over Mtdb Lrt & Sdiv RR built?

It was built in 1986, making it 39 years old in 2025.

What condition is El Cajon Blvd 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 September 2023.

How much traffic does El Cajon Blvd over Mtdb Lrt & Sdiv RR carry?

About 4,900 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is El Cajon Blvd over Mtdb Lrt & Sdiv RR?

The structure is 224 ft (68.3 m) long with a longest span of 100 ft (30.5 m) and a deck 45 ft wide.

Who owns El Cajon Blvd over Mtdb Lrt & Sdiv RR?

It is owned by the City or Municipal Highway Agency.