Structure F-16-KY · Jefferson County, CO

Ramp To SH 470 Ebd over Rooney RD

Carries Ramp To SH 470 Ebd over Rooney RD, 0.04 Mi E - Jct SH 470 +.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT199 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9Substructure 5/9 · sets the rating

199 ft end to end, longest span 81 ft: about 3 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.

Built198739 years old
Length198.8 ft60.6 m
Daily traffic35,000counted 2020
Last inspectedJanuary 2024every 24 months

Location

StateColorado
CountyJefferson
Location0.04 Mi E - Jct SH 470 +
CarriesRamp To SH 470 Ebd
CrossesRooney RD
Coordinates39.70988, -105.19449

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length198.8 ft (60.6 m)
Max Span81.0 ft (24.7 m)
Deck Width30.5 ft (9.3 m)
Deck Area563.6 sq m
Main Spans3
Year Built1987

Traffic

Avg Daily Traffic35,000 (2020)
Truck Traffic2%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberF-16-KY

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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