Co RD 54a over Middle Boulder Creek

Fair Condition109 years old66 vehicles/day

Location

StateColorado
CountyBoulder
LocationCastle Rock Pull Off
CarriesCo RD 54a
CrossesMiddle Boulder Creek
Coordinates39.97916, -105.45441

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length33.1 ft (10.1 m)
Max Span28.5 ft (8.7 m)
Deck Width16.7 ft (5.1 m)
Deck Area51.5 sq m
Main Spans1
Year Built1917

Traffic

Avg Daily Traffic66 (2023)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure NumberBCPOS-UPPER BR

Nearby Bridges

Co RD 54a over Middle Boulder Creek 0.1 mi Fair County Road 128e over North Boulder Creek 1.2 mi Fair Cr124e-hummer Dr. over North Boulder Creek 1.4 mi Fair County Road 124e over North Boulder Creek 2.3 mi Fair SH 119 Ml over North Boulder Creek 3.1 mi Fair S Beaver Creek Roa over S Boulder Creek 3.1 mi Good SH 119 Ml over North Beaver Creek 3.1 mi Fair SH 119 Ml over Middle Boulder Creek 3.2 mi Fair SH 72 Ml over South Boulder Creek 3.6 mi Fair