US Bridges

State Highway 71 over Little Chino Creek

Good

San Bernardino County, California · 08-SBD-071-R3.04-CHNH · Structure no. 54 1164

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
75 ft
1 main span
Daily traffic
96,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Highway 71 over Little Chino Creek is a concrete box beam or girders - multiple carrying State Highway 71 over Little Chino Creek in San Bernardino County, California. It was built in 1997, so it is 28 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 96,000 vehicles a day, roughly 10% of them trucks, projected to reach 121,608 by 2040. The structure is 75 ft (23 m) long and 156 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Highway 71
CrossesLittle Chino Creek
Location08-SBD-071-R3.04-CHNH
RouteState Highway 71
Coordinates33.98635, -117.71288
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (23 m)
Longest span75 ft (23 m)
Deck width156 ft (47.4 m)
Roadway width150 ft (45.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,000 (2020)
Projected traffic121,608 by 2040
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Highway 71 over Little Chino Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is State Highway 71 over Little Chino Creek 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 March 2023.

How much traffic does State Highway 71 over Little Chino Creek carry?

About 96,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Highway 71 over Little Chino Creek?

The structure is 75 ft (23 m) long with a longest span of 75 ft (23 m) and a deck 156 ft wide.

Who owns State Highway 71 over Little Chino Creek?

It is owned by the State Highway Agency.