US Bridges

EB State Route 92 over Caltrain UP RR Pacific

Fair

San Mateo County, California · 04-SM-092-R11.38-SM · Structure no. 35 0157R

Built
1963
62 years old
Condition
Fair
inspected August 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
318 ft
5 main spans
Daily traffic
36,000
2009 count
Owner
State
State Highway Agency

About this bridge

EB State Route 92 over Caltrain UP RR Pacific is a concrete continuous box beam or girders - multiple carrying EB State Route 92 over Caltrain UP RR Pacific in San Mateo County, California. It was built in 1963, so it is 62 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.

It carries about 36,000 vehicles a day, roughly 3% of them trucks, projected to reach 69,962 by 2040. The structure is 318 ft (96.9 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesEB State Route 92
CrossesCaltrain UP RR Pacific
Location04-SM-092-R11.38-SM
RouteState Highway 92
CountySan Mateo County
StateCalifornia
Coordinates37.55162, -122.30953
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length318 ft (96.9 m)
Longest span87 ft (26.5 m)
Deck width50 ft (15.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2009)
Projected traffic69,962 by 2040
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 EB State Route 92 over Caltrain UP RR Pacific built?

It was built in 1963, making it 62 years old in 2025.

What condition is EB State Route 92 over Caltrain UP RR Pacific 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 August 2022.

How much traffic does EB State Route 92 over Caltrain UP RR Pacific carry?

About 36,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is EB State Route 92 over Caltrain UP RR Pacific?

The structure is 318 ft (96.9 m) long with a longest span of 87 ft (26.5 m) and a deck 50 ft wide.

Who owns EB State Route 92 over Caltrain UP RR Pacific?

It is owned by the State Highway Agency.