State Route 18 over Hillside

Fair Condition60 years old16,000 vehicles/day

Location

StateCalifornia
CountySan Bernardino
Location08-sbd-018-r12.15
CarriesState Route 18
CrossesHillside
Coordinates34.20523, -117.28217

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length711.9 ft (217 m)
Max Span102.4 ft (31.2 m)
Deck Width30.8 ft (9.4 m)
Deck Area2039.8 sq m
Main Spans7
Year Built1966

Traffic

Avg Daily Traffic16,000 (2022)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number54 0756

Nearby Bridges

Old Waterman Cyn R over Waterman Canyon 0.1 mi Good State Route 18 over Hillside 0.3 mi Fair State Route 18 over Hillside 0.3 mi Good Old Waterman Cyn R over Waterman Canyon 0.4 mi Good Old Waterman Cyn R over Waterman Canyon 0.4 mi Fair State Route 18 over Hillside 0.4 mi Good Old Waterman Cyn R over Waterman Canyon 0.5 mi Good State Route 18 over Hillside 0.6 mi Good State Route 18 over Hillside 0.6 mi Good State Route 18 over Waterman Canyon RD 1.0 mi Good