US Bridges

Foothill Blvd over Middle Channel Day Wash

Good

San Bernardino County, California · 0.1 MI W Route 15 · Structure no. 54C0697M

Built
1914
111 years old, rebuilt 1937
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
24 ft
2 main spans
Daily traffic
47,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Foothill Blvd over Middle Channel Day Wash is a concrete slab carrying Foothill Blvd over Middle Channel Day Wash in San Bernardino County, California. It was built in 1914 and reconstructed in 1937, so it is 111 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 47,000 vehicles a day, roughly 2% of them trucks, projected to reach 63,917 by 2044. The structure is 24 ft (7.3 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFoothill Blvd
CrossesMiddle Channel Day Wash
Location0.1 MI W Route 15
RouteCity Street 0
Coordinates34.10611, -117.53407
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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width85 ft (25.9 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,000 (2017)
Projected traffic63,917 by 2044
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
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 Foothill Blvd over Middle Channel Day Wash built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1937.

What condition is Foothill Blvd over Middle Channel Day Wash 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 Foothill Blvd over Middle Channel Day Wash carry?

About 47,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Foothill Blvd over Middle Channel Day Wash?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 85 ft wide.

Who owns Foothill Blvd over Middle Channel Day Wash?

It is owned by the City or Municipal Highway Agency.