US Bridges

State Route 84 over SR 82 - El Camino Real

Fair

San Mateo County, California · 04-SM-084-24.68-RDWC · Structure no. 35 0093

Built
1965
60 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
204 ft
2 main spans
Daily traffic
43,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 84 over SR 82 - El Camino Real is a prestressed concrete continuous stringer/multi-beam or girder carrying State Route 84 over SR 82 - El Camino Real in San Mateo County, California. It was built in 1965, so it is 60 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 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 43,000 vehicles a day, roughly 3% of them trucks, projected to reach 56,075 by 2046. The structure is 204 ft (62.3 m) long and 98 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 84
CrossesSR 82 - El Camino Real
Location04-SM-084-24.68-RDWC
RouteState Highway 84
Coordinates37.47644, -122.22181
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length204 ft (62.3 m)
Longest span62 ft (19 m)
Deck width98 ft (29.9 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2009)
Projected traffic56,075 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 State Route 84 over SR 82 - El Camino Real built?

It was built in 1965, making it 60 years old in 2025.

What condition is State Route 84 over SR 82 - El Camino Real 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 May 2024.

How much traffic does State Route 84 over SR 82 - El Camino Real carry?

About 43,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is State Route 84 over SR 82 - El Camino Real?

The structure is 204 ft (62.3 m) long with a longest span of 62 ft (19 m) and a deck 98 ft wide.

Who owns State Route 84 over SR 82 - El Camino Real?

It is owned by the State Highway Agency.