US Bridges

Wire Mountian Road over Vandegrift Blvd

Good

San Diego County, California · 500 North of Main Gate · Structure no. 2CA1040

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
204 ft
2 main spans
Daily traffic
500
2014 count
Owner
Federal
Navy / Marines

About this bridge

Wire Mountian Road over Vandegrift Blvd is a prestressed concrete box beam or girders - multiple carrying Wire Mountian Road over Vandegrift Blvd in San Diego County, California. It was built in 2014, so it is 11 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 535 by 2043. The structure is 204 ft (62.3 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWire Mountian Road
CrossesVandegrift Blvd
Location500 North of Main Gate
RouteFederal Lands Road 0
Coordinates33.21606, -117.3883
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length204 ft (62.3 m)
Longest span102 ft (31.2 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2014)
Projected traffic535 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$31,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wire Mountian Road over Vandegrift Blvd built?

It was built in 2014, making it 11 years old in 2025.

What condition is Wire Mountian Road over Vandegrift Blvd 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 October 2024.

How much traffic does Wire Mountian Road over Vandegrift Blvd carry?

About 500 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Wire Mountian Road over Vandegrift Blvd?

The structure is 204 ft (62.3 m) long with a longest span of 102 ft (31.2 m) and a deck 44 ft wide.

Who owns Wire Mountian Road over Vandegrift Blvd?

It is owned by the Navy / Marines.