IRR BIA RTE 6 over Porcupine Creek

Fair Condition57 years old173 vehicles/day

Location

StateNorth Dakota
CountySioux
Location6.8 Km West Of Nd HWY 6
CarriesIRR BIA RTE 6
CrossesPorcupine Creek
Coordinates46.20431, -101.02403

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length94.2 ft (28.7 m)
Max Span30.8 ft (9.4 m)
Deck Width32.2 ft (9.8 m)
Deck Area281.3 sq m
Main Spans3
Year Built1969

Traffic

Avg Daily Traffic173 (2023)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Structure Number00000000000A046

Nearby Bridges