US 20 over High Line Canal

Good Condition79 years old16,000 vehicles/day

Location

StateIdaho
CountyCanyon
Location5.6 E. Caldwell
CarriesUS 20
CrossesHigh Line Canal
Coordinates43.66322, -116.56869

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length22.0 ft (6.7 m)
Max Span22.0 ft (6.7 m)
Deck Width53.8 ft (16.4 m)
Deck Area109.9 sq m
Main Spans1
Year Built1947

Traffic

Avg Daily Traffic16,000 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection223
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012250

Nearby Bridges

Nhs 3761;northside over Fifteen Mile Creek 0.3 mi Fair Nhs 3761;northside over High Line Canal 0.3 mi Fair US 20 over Fifteen Mile Creek 0.4 mi Fair Sma 3686;joplin RD over High Line Canal 0.5 mi Fair Knot Lane over High Line Canal 0.7 mi Fair Stc8315;lincoln RD over Fifteen Mile Creek 1.1 mi Good Linden Road over Fifteen Mile Creek 1.2 mi Good Linden Road over Mason Creek 1.7 mi Fair US 20 over Mason Drain Ditch 2.0 mi Fair Eel Lane over Lawrence Kennedy Canal 2.3 mi Fair