Structure F-17-KS · Arapahoe County, CO

SH 83 Ml over Over Vaughn Way

Carries SH 83 Ml over Over Vaughn Way, I225 & Parker Road.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT176 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

176 ft end to end, longest span 115 ft: about 2 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built200323 years old
Length175.9 ft53.6 m
Daily traffic76,000counted 2020
Last inspectedMay 2023every 24 months

Location

StateColorado
CountyArapahoe
LocationI225 & Parker Road
CarriesSH 83 Ml
CrossesOver Vaughn Way
Coordinates39.65742, -104.83753

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length175.9 ft (53.6 m)
Max Span115.2 ft (35.1 m)
Deck Width159.4 ft (48.6 m)
Deck Area2605.0 sq m
Main Spans3
Year Built2003

Traffic

Avg Daily Traffic76,000 (2020)
Truck Traffic3%
Lanes On Bridge10
Lanes Under Bridge3

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberF-17-KS

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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