US Bridges

Ramona Ave over San Antonio Creek Chan

Fair

San Bernardino County, California · 0.1 MI S San Bernardno ST · Structure no. 54C0555

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
2,900
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ramona Ave over San Antonio Creek Chan is a steel stringer/multi-beam or girder carrying Ramona Ave over San Antonio Creek Chan in San Bernardino County, California. It was built in 1958, so it is 67 years old, older 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 5 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 2,900 vehicles a day, roughly 1% of them trucks, projected to reach 3,071 by 2046. The structure is 47 ft (14.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamona Ave
CrossesSan Antonio Creek Chan
Location0.1 MI S San Bernardno ST
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.07651, -117.70695
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic2,900 (2024)
Projected traffic3,071 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Ramona Ave over San Antonio Creek Chan built?

It was built in 1958, making it 67 years old in 2025.

What condition is Ramona Ave over San Antonio Creek Chan 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 June 2024.

How much traffic does Ramona Ave over San Antonio Creek Chan carry?

About 2,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Ramona Ave over San Antonio Creek Chan?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns Ramona Ave over San Antonio Creek Chan?

It is owned by the City or Municipal Highway Agency.