US Bridges

Hillsborough DR over Coyote Crk

Good

Los Angeles County, California · 0.1MI W/O Beach Blvd · Structure no. 53C1824

Built
1989
36 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
9,486
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hillsborough DR over Coyote Crk is a prestressed concrete stringer/multi-beam or girder carrying Hillsborough DR over Coyote Crk in Los Angeles County, California. It was built in 1989, so it is 36 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,486 vehicles a day, roughly 1% of them trucks, projected to reach 10,909 by 2043. The structure is 94 ft (28.7 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHillsborough DR
CrossesCoyote Crk
Location0.1MI W/O Beach Blvd
RouteCity Street 0
Coordinates33.90922, -117.97927
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span93 ft (28.3 m)
Deck width80 ft (24.5 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,486 (2013)
Projected traffic10,909 by 2043
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Hillsborough DR over Coyote Crk built?

It was built in 1989, making it 36 years old in 2025.

What condition is Hillsborough DR over Coyote Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Hillsborough DR over Coyote Crk carry?

About 9,486 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Hillsborough DR over Coyote Crk?

The structure is 94 ft (28.7 m) long with a longest span of 93 ft (28.3 m) and a deck 80 ft wide.

Who owns Hillsborough DR over Coyote Crk?

It is owned by the City or Municipal Highway Agency.