US Bridges

Guasti RD over Cucamonga Creek Channel

Good

San Bernardino County, California · 0.2 MI E Holt/Con.Ctr.Dr. · Structure no. 54C0541

Built
1979
46 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
2,707
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Guasti RD over Cucamonga Creek Channel is a prestressed concrete stringer/multi-beam or girder carrying Guasti RD over Cucamonga Creek Channel in San Bernardino County, California. It was built in 1979, so it is 46 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 2,707 vehicles a day, roughly 1% of them trucks, projected to reach 5,135 by 2040. The structure is 64 ft (19.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGuasti RD
CrossesCucamonga Creek Channel
Location0.2 MI E Holt/Con.Ctr.Dr.
RouteCity Street 0
Coordinates34.06304, -117.60122
Functional classUrban Local

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 inspectionOctober 2022
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 rating70 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width64 ft (19.4 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,707 (2019)
Projected traffic5,135 by 2040
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 Guasti RD over Cucamonga Creek Channel built?

It was built in 1979, making it 46 years old in 2025.

What condition is Guasti RD over Cucamonga Creek 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 October 2022.

How much traffic does Guasti RD over Cucamonga Creek Channel carry?

About 2,707 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Guasti RD over Cucamonga Creek Channel?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 64 ft wide.

Who owns Guasti RD over Cucamonga Creek Channel?

It is owned by the City or Municipal Highway Agency.