US Bridges

Otay Ave over Laurel Creek

Fair

San Mateo County, California · 0.05 MI E Curtiss ST · Structure no. 35C0130

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
140
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Otay Ave over Laurel Creek is a concrete continuous culvert carrying Otay Ave over Laurel Creek in San Mateo County, California. It was built in 1961, so it is 64 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 140 vehicles a day, roughly 13% of them trucks, projected to reach 204 by 2041. The structure is 22 ft (6.7 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOtay Ave
CrossesLaurel Creek
Location0.05 MI E Curtiss ST
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.53871, -122.29163
Functional classUrban 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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width52 ft (15.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2011)
Projected traffic204 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Otay Ave over Laurel Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Otay Ave over Laurel Creek 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 April 2023.

How much traffic does Otay Ave over Laurel Creek carry?

About 140 vehicles per day (2011 count), of which roughly 13% are trucks.

How long is Otay Ave over Laurel Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m) and a deck 52 ft wide.

Who owns Otay Ave over Laurel Creek?

It is owned by the City or Municipal Highway Agency.