Thunderhead Falls over Rapid Ck

Poor Condition54 years old62 vehicles/day

Location

StateSouth Dakota
CountyPennington
Location1.0e 2.0s Johnson Sd
CarriesThunderhead Falls
CrossesRapid Ck
Coordinates44.05558, -103.41593

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length40.0 ft (12.2 m)
Max Span40.0 ft (12.2 m)
Deck Width26.9 ft (8.2 m)
Deck Area100.0 sq m
Main Spans1
Year Built1972

Traffic

Avg Daily Traffic62 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000052318318

Nearby Bridges