Horizon Avenue over Rock Creek

Fair Condition26 years old1,043 vehicles/day

Location

StateColorado
CountyBoulder
Location.1 Mi East 120th
CarriesHorizon Avenue
CrossesRock Creek
Coordinates39.98022, -105.07028

Condition Ratings

Overall ConditionFair
Channel/Waterway5 (Fair)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length76.1 ft (23.2 m)
Max Span20.0 ft (6.1 m)
Deck Width47.9 ft (14.6 m)
Deck Area338.7 sq m
Main Spans4
Year Built2000

Traffic

Avg Daily Traffic1,043 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberLAF-HORIZ-004

Nearby Bridges

120th Street over Coal Creek 0.2 mi Fair 120th Street over Rock Creek 0.2 mi Fair 120th Street over Nwp 0.9 mi Fair Public Road over Coal Creek 1.1 mi Fair US 287 Ml over Coal Creek 1.4 mi Good US 287 Ml over Draw 1.5 mi Fair SH 7 Ml over Coal Creek 1.5 mi Good South Boulder RD over Drainage Ditch Ar 1.6 mi Fair Nwp WB over WB Dillon Road 1.6 mi Good Nwp Ramp over WB Dillon Road 1.6 mi Fair