Interstate 580 over Arroyo Las Positas

Fair Condition54 years old208,000 vehicles/day

Location

StateCalifornia
CountyAlameda
Location04-ala-580-13.82
CarriesInterstate 580
CrossesArroyo Las Positas
Coordinates37.70100, -121.79654

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length173.9 ft (53 m)
Max Span69.9 ft (21.3 m)
Deck Width183.1 ft (55.8 m)
Deck Area2957.4 sq m
Main Spans3
Year Built1972 (reconstructed 2011)

Traffic

Avg Daily Traffic208,000 (2017)
Truck Traffic14%
Lanes On Bridge12

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number33 0012

Nearby Bridges

I580-isabel AVE over Arroyo Las Positas 0.0 mi Fair ST RTE 84 (isabel) over Interstate 580 0.3 mi Fair SR 84 (isabel Ave) over Arroyo Las Positas 0.6 mi Fair Portola AVE over I-580 Arroyo Las Positas 0.6 mi Good Interstate 580 over Collier Canyon Creek 0.6 mi Good Interstate 580 over Arroyo Las Positas 0.7 mi Fair Airway BLVD NB over Interstate 580 1.2 mi Fair Airway BLVD SB over Interstate 580 1.2 mi Good Airway BLVD over Arroyo Las Positas 1.2 mi Fair Interstate 580 over North Livermore AVE 1.3 mi Good