US Bridges

Villa Park Road over Santiago Creek

Fair

Orange County, California · 1.74 Mi. E/O Route 55 Fwy · Structure no. 55C0511

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
26,000
2021 count
Owner
County
County Highway Agency

About this bridge

Villa Park Road over Santiago Creek is a steel culvert carrying Villa Park Road over Santiago Creek in Orange County, California. It was built in 1982, so it is 43 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 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 26,000 vehicles a day, roughly 1% of them trucks, projected to reach 54,299 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesVilla Park Road
CrossesSantiago Creek
Location1.74 Mi. E/O Route 55 Fwy
RouteCounty Highway 0
Coordinates33.8098, -117.80538
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
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
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2021)
Projected traffic54,299 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Villa Park Road over Santiago Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Villa Park Road over Santiago 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 May 2023.

How much traffic does Villa Park Road over Santiago Creek carry?

About 26,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Villa Park Road over Santiago Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m).

Who owns Villa Park Road over Santiago Creek?

It is owned by the County Highway Agency.