State Route 91 over Patt Drain #6

Good Condition67 years old319,000 vehicles/day

Location

StateCalifornia
CountyOrange
Location12-ora-091-4.00-ana
CarriesState Route 91
CrossesPatt Drain #6
Coordinates33.85377, -117.91340

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length25.9 ft (7.9 m)
Max Span7.9 ft (2.4 m)
Deck Width105.3 ft (32.1 m)
Deck Area253.6 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic319,000 (2020)
Truck Traffic6%
Lanes On Bridge9

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number55 0491

Nearby Bridges