US Bridges

W54-N5 Connector over Mtdb Lrt

Good

San Diego County, California · 11-SD-054-0.11L-NATC · Structure no. 57 0844F

Built
1988
37 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
32,441
2020 count
Owner
State
State Highway Agency

About this bridge

W54-N5 Connector over Mtdb Lrt is a prestressed concrete continuous box beam or girders - multiple carrying W54-N5 Connector over Mtdb Lrt in San Diego County, California. It was built in 1988, so it is 37 years old, younger 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 32,441 vehicles a day, roughly 6% of them trucks, projected to reach 40,807 by 2045. The structure is 262 ft (79.9 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW54-N5 Connector
CrossesMtdb Lrt
Location11-SD-054-0.11L-NATC
RouteState Highway 54
Coordinates32.65265, -117.10316
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span130 ft (39.6 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,441 (2020)
Projected traffic40,807 by 2045
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 W54-N5 Connector over Mtdb Lrt built?

It was built in 1988, making it 37 years old in 2025.

What condition is W54-N5 Connector over Mtdb Lrt 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 September 2024.

How much traffic does W54-N5 Connector over Mtdb Lrt carry?

About 32,441 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is W54-N5 Connector over Mtdb Lrt?

The structure is 262 ft (79.9 m) long with a longest span of 130 ft (39.6 m) and a deck 42 ft wide.

Who owns W54-N5 Connector over Mtdb Lrt?

It is owned by the State Highway Agency.