US Bridges

Del Mar Road over Nctd Railway

FairPosted for load

San Diego County, California · 0.2 Miles West of Vandegr · Structure no. 2CA0001

Built
1947
78 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
7 main spans
Daily traffic
10,675
2004 count
Owner
Federal
Navy / Marines

About this bridge

Del Mar Road over Nctd Railway is a steel continuous stringer/multi-beam or girder carrying Del Mar Road over Nctd Railway in San Diego County, California. It was built in 1947, so it is 78 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10,675 vehicles a day, roughly 1% of them trucks, projected to reach 12,810 by 2043. The structure is 303 ft (92.4 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesDel Mar Road
CrossesNctd Railway
Location0.2 Miles West of Vandegr
RouteFederal Lands Road 0
CountySan Diego County
StateCalifornia
Coordinates33.21653, -117.39167
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length303 ft (92.4 m)
Longest span46 ft (14 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,675 (2004)
Projected traffic12,810 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$68,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Del Mar Road over Nctd Railway built?

It was built in 1947, making it 78 years old in 2025.

What condition is Del Mar Road over Nctd Railway 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 October 2024.

How much traffic does Del Mar Road over Nctd Railway carry?

About 10,675 vehicles per day (2004 count), of which roughly 1% are trucks.

How long is Del Mar Road over Nctd Railway?

The structure is 303 ft (92.4 m) long with a longest span of 46 ft (14 m) and a deck 34 ft wide.

Who owns Del Mar Road over Nctd Railway?

It is owned by the Navy / Marines.