US Bridges

Hilleary Place over Willow Creek

Good

San Diego County, California · 0.12MI E/O Community RD · Structure no. 57C0619

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
5,202
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hilleary Place over Willow Creek is a concrete culvert carrying Hilleary Place over Willow Creek in San Diego County, California. It was built in 1985, so it is 40 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 5,202 vehicles a day, roughly 2% of them trucks, projected to reach 5,902 by 2046. The structure is 36 ft (11 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHilleary Place
CrossesWillow Creek
Location0.12MI E/O Community RD
RouteCity Street 0
Coordinates32.96, -117.03856
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length36 ft (11 m)
Longest span9 ft (2.6 m)
Deck width59 ft (17.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,202 (2016)
Projected traffic5,902 by 2046
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Hilleary Place over Willow Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Hilleary Place over Willow Creek 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 November 2024.

How much traffic does Hilleary Place over Willow Creek carry?

About 5,202 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Hilleary Place over Willow Creek?

The structure is 36 ft (11 m) long with a longest span of 9 ft (2.6 m) and a deck 59 ft wide.

Who owns Hilleary Place over Willow Creek?

It is owned by the City or Municipal Highway Agency.