Structure WST14-09-H · Jefferson County, CO

Entrance And Exit over S Branch Hyland Creek

Carries Entrance And Exit over S Branch Hyland Creek, Just North Of 104th AVE.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 7/9 · sets the ratingSubstructure 8/9

24 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a deck arch.

Built199828 years old
Length24.0 ft7.3 m
Daily traffic919counted 2021
Last inspectedMarch 2023every 24 months

Location

StateColorado
CountyJefferson
LocationJust North Of 104th AVE
CarriesEntrance And Exit
CrossesS Branch Hyland Creek
Coordinates39.88681, -105.06313

Physical Characteristics

MaterialAluminum/Wrought Iron/Cast Iron
DesignArch - Deck
Total Length24.0 ft (7.3 m)
Max Span24.0 ft (7.3 m)
Deck Width95.1 ft (29 m)
Deck Area211.7 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic919 (2021)
Lanes On Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberWST14-09-H

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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