US Bridges

Sixth Street over Cucamonga Creek Channel

Good

San Bernardino County, California · 0.5 MI E Vineyard Ave · Structure no. 54C0521

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
6,960
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sixth Street over Cucamonga Creek Channel is a prestressed concrete stringer/multi-beam or girder carrying Sixth Street over Cucamonga Creek Channel in San Bernardino County, California. It was built in 1980, so it is 45 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 6,960 vehicles a day, roughly 1% of them trucks, projected to reach 9,250 by 2043. The structure is 54 ft (16.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSixth Street
CrossesCucamonga Creek Channel
Location0.5 MI E Vineyard Ave
RouteCity Street 0
Coordinates34.08476, -117.60343
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating77.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,960 (2015)
Projected traffic9,250 by 2043
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 Sixth Street over Cucamonga Creek Channel built?

It was built in 1980, making it 45 years old in 2025.

What condition is Sixth Street 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 2024.

How much traffic does Sixth Street over Cucamonga Creek Channel carry?

About 6,960 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Sixth Street over Cucamonga Creek Channel?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Sixth Street over Cucamonga Creek Channel?

It is owned by the City or Municipal Highway Agency.