Structure SED9-28.9-8A · Sedgwick County, CO

County Road 9 over Highline Canal

Carries County Road 9 over Highline Canal, 0.9 Mi. No. Of Co. Rd. 28.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT51 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

51 ft end to end. 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 multi-beam bridge.

Built198640 years old
Length50.9 ft15.5 m
Daily traffic11counted 2022
Last inspectedNovember 2023every 24 months

Location

StateColorado
CountySedgwick
Location0.9 Mi. No. Of Co. Rd. 28
CarriesCounty Road 9
CrossesHighline Canal
Coordinates40.95222, -102.57528

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length50.9 ft (15.5 m)
Max Span43.0 ft (13.1 m)
Deck Width31.2 ft (9.5 m)
Deck Area147.2 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic11 (2022)
Truck Traffic44%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberSED9-28.9-8A

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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