US Bridges

State Route 83 over State Route 71

Good

San Bernardino County, California · 08-SBD-083-R0.20-CHNH · Structure no. 54 1134

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
302 ft
2 main spans
Daily traffic
30,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 83 over State Route 71 is a concrete continuous box beam or girders - single or spread carrying State Route 83 over State Route 71 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 30,000 vehicles a day, roughly 20% of them trucks, projected to reach 35,706 by 2041. The structure is 302 ft (92 m) long and 102 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 83
CrossesState Route 71
Location08-SBD-083-R0.20-CHNH
RouteState Highway 83
Coordinates33.93104, -117.65914
Functional classRural Principal Arterial - Other

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating74.3 US tons
Inventory rating56.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length302 ft (92 m)
Longest span154 ft (47 m)
Deck width102 ft (31 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2020)
Projected traffic35,706 by 2041
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 83 over State Route 71 built?

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

What condition is State Route 83 over State Route 71 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 Route 83 over State Route 71 carry?

About 30,000 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is State Route 83 over State Route 71?

The structure is 302 ft (92 m) long with a longest span of 154 ft (47 m) and a deck 102 ft wide.

Who owns State Route 83 over State Route 71?

It is owned by the State Highway Agency.