US Bridges

Ramona Ave over Chino Drainage Ditch

Fair

San Bernardino County, California · 250 M S Chino Hills Pkwy · Structure no. 54C0504

Built
1978
47 years old, rebuilt 1986
Condition
Fair
inspected May 2022
Type
Culvert
Concrete
Length
47 ft
7 main spans
Daily traffic
6,900
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ramona Ave over Chino Drainage Ditch is a concrete culvert carrying Ramona Ave over Chino Drainage Ditch in San Bernardino County, California. It was built in 1978 and reconstructed in 1986, so it is 47 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 6,900 vehicles a day, roughly 1% of them trucks, projected to reach 8,859 by 2040. The structure is 47 ft (14.3 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamona Ave
CrossesChino Drainage Ditch
Location250 M S Chino Hills Pkwy
RouteCounty Highway 0
Coordinates33.97896, -117.70622
Functional classUrban Minor 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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 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 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 spans7
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span6 ft (1.8 m)
Deck width81 ft (24.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2018)
Projected traffic8,859 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramona Ave over Chino Drainage Ditch built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1986.

What condition is Ramona Ave over Chino Drainage Ditch 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 2022.

How much traffic does Ramona Ave over Chino Drainage Ditch carry?

About 6,900 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Ramona Ave over Chino Drainage Ditch?

The structure is 47 ft (14.3 m) long with a longest span of 6 ft (1.8 m) and a deck 81 ft wide.

Who owns Ramona Ave over Chino Drainage Ditch?

It is owned by the City or Municipal Highway Agency.