Structure F-17-I · Arapahoe County, CO

SH 83 Ml over Piney Creek

Carries SH 83 Ml over Piney Creek, Just S. Of Orchard Road.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT115 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

115 ft end to end, longest span 51 ft. Lengths and the car 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 tee-beam bridge.

Built1967rebuilt 1979
Length115.5 ft35.2 m
Daily traffic59,000counted 2020
Last inspectedMay 2023every 24 months

Location

StateColorado
CountyArapahoe
LocationJust S. Of Orchard Road
CarriesSH 83 Ml
CrossesPiney Creek
Coordinates39.60904, -104.80968

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length115.5 ft (35.2 m)
Max Span50.9 ft (15.5 m)
Deck Width107.6 ft (32.8 m)
Deck Area1154.6 sq m
Main Spans3
Year Built1967 (reconstructed 1979)

Traffic

Avg Daily Traffic59,000 (2020)
Truck Traffic2%
Lanes On Bridge6

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberF-17-I

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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