US Bridges

Holt Ave over San Antonio Creek Chan

Good

San Bernardino County, California · 0.2 MI E Indian Hill Ave · Structure no. 54C0058

Built
1939
86 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
24,700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Holt Ave over San Antonio Creek Chan is a concrete continuous slab carrying Holt Ave over San Antonio Creek Chan in San Bernardino County, California. It was built in 1939, so it is 86 years old, older 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 24,700 vehicles a day, roughly 2% of them trucks, projected to reach 30,000 by 2046. The structure is 90 ft (27.4 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHolt Ave
CrossesSan Antonio Creek Chan
Location0.2 MI E Indian Hill Ave
RouteCity Street 0
Coordinates34.0631, -117.71568
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length90 ft (27.4 m)
Longest span44 ft (13.4 m)
Deck width82 ft (24.9 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,700 (2024)
Projected traffic30,000 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Holt Ave over San Antonio Creek Chan built?

It was built in 1939, making it 86 years old in 2025.

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

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

About 24,700 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Holt Ave over San Antonio Creek Chan?

The structure is 90 ft (27.4 m) long with a longest span of 44 ft (13.4 m) and a deck 82 ft wide.

Who owns Holt Ave over San Antonio Creek Chan?

It is owned by the City or Municipal Highway Agency.