Co RD 54a over Middle Boulder Creek

Fair Condition109 years old70 vehicles/day

Location

StateColorado
CountyBoulder
LocationCastle Rock Pull Off
CarriesCo RD 54a
CrossesMiddle Boulder Creek
Coordinates39.98127, -105.45413

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length23.6 ft (7.2 m)
Max Span20.3 ft (6.2 m)
Deck Width22.3 ft (6.8 m)
Deck Area49.0 sq m
Main Spans1
Year Built1917

Traffic

Avg Daily Traffic70 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

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

Nearby Bridges

Co RD 54a over Middle Boulder Creek 0.1 mi Fair County Road 128e over North Boulder Creek 1.1 mi Fair Cr124e-hummer Dr. over North Boulder Creek 1.3 mi Fair County Road 124e over North Boulder Creek 2.2 mi Fair SH 119 Ml over North Boulder Creek 3.0 mi Fair SH 119 Ml over North Beaver Creek 3.2 mi Fair S Beaver Creek Roa over S Boulder Creek 3.3 mi Good SH 119 Ml over Middle Boulder Creek 3.3 mi Fair SH 72 Ml over South Boulder Creek 3.7 mi Fair