US Bridges

Philadelphia ST over Declez Channel

Good

San Bernardino County, California · 0.5 MI E Mulberry · Structure no. 54C0623

Built
1985
40 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
100
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Philadelphia ST over Declez Channel is a concrete culvert carrying Philadelphia ST over Declez Channel in San Bernardino County, California. It was built in 1985, so it is 40 years old, younger 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2045. The structure is 26 ft (7.9 m) long and 49 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPhiladelphia ST
CrossesDeclez Channel
Location0.5 MI E Mulberry
RouteCity Street 0
Coordinates34.03347, -117.49967
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
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 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
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width49 ft (14.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic125 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Philadelphia ST over Declez Channel built?

It was built in 1985, making it 40 years old in 2025.

What condition is Philadelphia ST over Declez Channel 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 Philadelphia ST over Declez Channel carry?

About 100 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Philadelphia ST over Declez Channel?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 49 ft wide.

Who owns Philadelphia ST over Declez Channel?

It is owned by the City or Municipal Highway Agency.