IRR BIA RTE 7 over Moreau River

Fair Condition65 years old105 vehicles/day

Location

StateSouth Dakota
CountyDewey
Location.7 Km North Of Promise
CarriesIRR BIA RTE 7
CrossesMoreau River
Coordinates45.34306, -100.61344

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length418.0 ft (127.4 m)
Max Span69.6 ft (21.2 m)
Deck Width26.6 ft (8.1 m)
Deck Area1031.9 sq m
Main Spans6
Year Built1961

Traffic

Avg Daily Traffic105 (2023)
Truck Traffic5%
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 Number00000000000A143

Nearby Bridges

BIA Highway 4 over Creek 1.0 mi Good IRR BIA RTE 7 over Virgin Creek 1.1 mi Poor IRR BIA RTE 3 over Hand Boy Creek 2.0 mi Fair IRR BIA RTE 7 over Beaver Creek 4.4 mi Fair