SH 21 over Mores Cr.;at Minniha CR

Fair Condition36 years old2,000 vehicles/day

Location

StateIdaho
CountyBoise
Location8.9 S. Idaho City
CarriesSH 21
CrossesMores Cr.;at Minniha CR
Coordinates43.73031, -115.93919

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length81.4 ft (24.8 m)
Max Span39.7 ft (12.1 m)
Deck Width39.7 ft (12.1 m)
Deck Area300.1 sq m
Main Spans2
Year Built1990

Traffic

Avg Daily Traffic2,000 (2023)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012840

Nearby Bridges