Colorado BLVD over False Bottom Ck

Fair Condition48 years old1,500 vehicles/day

Location

StateSouth Dakota
CountyLawrence
Location2.4e Jct Us14a -spearfish
CarriesColorado BLVD
CrossesFalse Bottom Ck
Coordinates44.47472, -103.79644

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length92.8 ft (28.3 m)
Max Span29.9 ft (9.1 m)
Deck Width34.8 ft (10.6 m)
Deck Area300.0 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic1,500 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000041126089

Nearby Bridges

I090 E over False Bottom Ck 0.1 mi Good I090 W over False Bottom Ck 0.1 mi Good Us014a over I090 0.9 mi Good I090 E over N Rainbow RD 1.3 mi Good I090 W over N Rainbow RD 1.3 mi Good Us014a over Ck 1.6 mi Good Christensen Road over False Bottom Ck 1.6 mi Poor I090 W over Sandstone DR 1.7 mi Fair I090 E over Sandstone DR 1.7 mi Good Us014a over Ck 2.1 mi Good