Thunderhead Falls over Rapid Ck

Poor Condition54 years old218 vehicles/day

Location

StateSouth Dakota
CountyPennington
Location0.9e 1.5s Johnson Sd
CarriesThunderhead Falls
CrossesRapid Ck
Coordinates44.06231, -103.41797

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure4 (Poor)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length44.9 ft (13.7 m)
Max Span44.0 ft (13.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area112.3 sq m
Main Spans1
Year Built1972

Traffic

Avg Daily Traffic218 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000052317313

Nearby Bridges

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