US Bridges

Palo Verde ST over San Antonio Creek Chan

Fair

San Bernardino County, California · 0.3 MI E La-Sbd CO Line · Structure no. 54C0553

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
1,100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Palo Verde ST over San Antonio Creek Chan is a steel stringer/multi-beam or girder carrying Palo Verde ST 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 1,100 vehicles a day, roughly 1% of them trucks, projected to reach 1,520 by 2046. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPalo Verde ST
CrossesSan Antonio Creek Chan
Location0.3 MI E La-Sbd CO Line
RouteCity Street 0
CountySan Bernardino County
StateCalifornia
Coordinates34.08143, -117.70478
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width33 ft (10 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2024)
Projected traffic1,520 by 2046
Trucks1%
Lanes on structure2
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 Palo Verde ST over San Antonio Creek Chan built?

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

What condition is Palo Verde ST 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 Palo Verde ST over San Antonio Creek Chan carry?

About 1,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Palo Verde ST over San Antonio Creek Chan?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 33 ft wide.

Who owns Palo Verde ST over San Antonio Creek Chan?

It is owned by the City or Municipal Highway Agency.