Thunderhead Falls over Rapid Ck

Fair Condition54 years old218 vehicles/day

Location

StateSouth Dakota
CountyPennington
Location0.9e 1.6s Johnson Sd
CarriesThunderhead Falls
CrossesRapid Ck
Coordinates44.06103, -103.41743

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length49.9 ft (15.2 m)
Max Span48.9 ft (14.9 m)
Deck Width26.9 ft (8.2 m)
Deck Area124.6 sq m
Main Spans1
Year Built1972

Traffic

Avg Daily Traffic218 (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 Number000000052317314

Nearby Bridges

Thunderhead Falls over Rapid Ck 0.1 mi Poor Thunderhead Falls over Rapid Ck 0.2 mi Good Thunderhead Falls over Rapid Ck 0.3 mi Good Thunderhead Falls over Rapid Ck 0.3 mi Poor Sd044 Wf over Rapid Ck 0.4 mi Good Thunderhead Falls over Rapid Ck 0.4 mi Poor Thunderhead Falls over Rapid Ck 0.4 mi Good Thunderhead Falls over Rapid Ck 0.5 mi Good Private RD over Rapid Ck 0.5 mi Good Sd044 over Rapid Ck 0.6 mi Good