US Bridges

S. Perimeter Road over Laguna Seca Racetrack

Fair

Monterey County, California · 1.2 Miles E. of HWY 68 · Structure no. 44C0203

Built
1980
45 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
150
2016 count
Owner
County
County Highway Agency

About this bridge

S. Perimeter Road over Laguna Seca Racetrack is a steel stringer/multi-beam or girder carrying S. Perimeter Road over Laguna Seca Racetrack in Monterey County, California. It was built in 1980, so it is 45 years old, younger 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 307 by 2046. The structure is 88 ft (26.8 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesS. Perimeter Road
CrossesLaguna Seca Racetrack
Location1.2 Miles E. of HWY 68
RouteCounty Highway 0
Coordinates36.58004, -121.75106
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span85 ft (26 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2016)
Projected traffic307 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 S. Perimeter Road over Laguna Seca Racetrack built?

It was built in 1980, making it 45 years old in 2025.

What condition is S. Perimeter Road over Laguna Seca Racetrack 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 June 2024.

How much traffic does S. Perimeter Road over Laguna Seca Racetrack carry?

About 150 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is S. Perimeter Road over Laguna Seca Racetrack?

The structure is 88 ft (26.8 m) long with a longest span of 85 ft (26 m) and a deck 37 ft wide.

Who owns S. Perimeter Road over Laguna Seca Racetrack?

It is owned by the County Highway Agency.