US Bridges

Jeronimo Road over Serrano Creek Channel

Good

Orange County, California · 100 Nw/O Bake Parkway · Structure no. 55C0484

Built
1979
46 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
12,900
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jeronimo Road over Serrano Creek Channel is a concrete culvert carrying Jeronimo Road over Serrano Creek Channel in Orange County, California. It was built in 1979, so it is 46 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 12,900 vehicles a day, roughly 1% of them trucks, projected to reach 13,500 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJeronimo Road
CrossesSerrano Creek Channel
Location100 Nw/O Bake Parkway
RouteCity Street 0
Coordinates33.64536, -117.71139
Functional classUrban Minor Arterial

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2018)
Projected traffic13,500 by 2040
Trucks1%
Lanes on structure7
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jeronimo Road over Serrano Creek Channel built?

It was built in 1979, making it 46 years old in 2025.

What condition is Jeronimo Road over Serrano Creek Channel 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 April 2022.

How much traffic does Jeronimo Road over Serrano Creek Channel carry?

About 12,900 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Jeronimo Road over Serrano Creek Channel?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Jeronimo Road over Serrano Creek Channel?

It is owned by the City or Municipal Highway Agency.