Structure F-16-CY · Jefferson County, CO

US 6 Ml over Draw

Carries US 6 Ml over Draw, 1.0 Mi E Of Indiana AVE.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 22 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built1947rebuilt 2010
Length22.3 ft6.8 m
Daily traffic63,000counted 2020
Last inspectedNovember 2023every 24 months

Location

StateColorado
CountyJefferson
Location1.0 Mi E Of Indiana AVE
CarriesUS 6 Ml
CrossesDraw
Coordinates39.72473, -105.14992

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length22.3 ft (6.8 m)
Max Span22.3 ft (6.8 m)
Deck Width153.9 ft (46.9 m)
Deck Area318.9 sq m
Main Spans1
Year Built1947 (reconstructed 2010)

Traffic

Avg Daily Traffic63,000 (2020)
Truck Traffic2%
Lanes On Bridge10

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberF-16-CY

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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