Structure L-26-BS · Prowers County, CO

US 287 Ml over Wiley Drainage Ditch

Carries US 287 Ml over Wiley Drainage Ditch, 3.5 Mi No Of Jct US 50 Ml.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 47 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built198244 years old
Length46.9 ft14.3 m
Daily traffic2,700counted 2020
Last inspectedJanuary 2022every 48 months

Location

StateColorado
CountyProwers
Location3.5 Mi No Of Jct US 50 Ml
CarriesUS 287 Ml
CrossesWiley Drainage Ditch
Coordinates38.16515, -102.72397

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length46.9 ft (14.3 m)
Max Span15.1 ft (4.6 m)
Deck Width46.9 ft (14.3 m)
Deck Area204.5 sq m
Main Spans3
Year Built1982

Traffic

Avg Daily Traffic2,700 (2020)
Truck Traffic58%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberL-26-BS

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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