State Route 18 over Hillside

Good Condition61 years old16,800 vehicles/day

Location

StateCalifornia
CountySan Bernardino
Location08-sbd-018-r17.54
CarriesState Route 18
CrossesHillside
Coordinates34.22961, -117.29141

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length949.5 ft (289.4 m)
Max Span89.9 ft (27.4 m)
Deck Width44.0 ft (13.4 m)
Deck Area3878.0 sq m
Main Spans11
Year Built1965

Traffic

Avg Daily Traffic16,800 (2017)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number54 0684

Nearby Bridges

E138-18 & N18-w138 over State Highway 18 0.1 mi Good State Route 18 over E138-s18 Connector Ramp 0.2 mi Good State Route 18 over Hillside 0.2 mi Fair State Route 18 over Hillside 0.3 mi Good State Route 18 over Lower Bonnie Canyon 0.4 mi Fair State Route 18 over Hillside 0.4 mi Good State Route 18 over Hillside 0.5 mi Good State Route 18 over Hillside 0.5 mi Good State Route 18 over Bonnie Canyon 0.5 mi Good State Route 18 over Waterman Canyon RD 0.9 mi Good