SH 121 Ml over Clear Creek

Fair Condition85 years old38,000 vehicles/day

Location

StateColorado
CountyJefferson
LocationS. Edge 70 76 Ramp 121
CarriesSH 121 Ml
CrossesClear Creek
Coordinates39.78421, -105.08121

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length156.8 ft (47.8 m)
Max Span52.8 ft (16.1 m)
Deck Width123.0 ft (37.5 m)
Deck Area1792.5 sq m
Main Spans3
Year Built1941 (reconstructed 1980)

Traffic

Avg Daily Traffic38,000 (2020)
Truck Traffic2%
Lanes On Bridge5

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberE-16-O

Nearby Bridges

NB Ramp To I70/i76 over Clear Creek R 0.0 mi Fair I 70 Ml over SH 121 Ml 0.1 mi Fair Rmp To EB I70/i76 over I 70 Ml SH 121 R 0.2 mi Fair Ramp To I 70 Ebnd over Clear Creek Bp R 0.3 mi Fair I 70 Ml Ebnd over Clear Creek 0.3 mi Good Ramp To I 76 Ebnd over I 70 Ml Ebnd 0.3 mi Fair SH 121 Ml over Arvada Channel 0.4 mi Fair I 76 Ml Ebnd over I 70 Ml Wbnd 0.4 mi Poor I 70 Ml Wbnd over Clear Creek 0.5 mi Good I 76 Ml Ebnd over Ramp To SH 121 Ml 0.5 mi Poor