Structure L-27-Z · Prowers County, CO

US 50 Ml over Granada Creek

Carries US 50 Ml over Granada Creek, 2.8 Mi East Of Granada.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 65 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.

Built201511 years old
Length64.6 ft19.7 m
Daily traffic1,900counted 2020
Last inspectedAugust 2024every 24 months

Location

StateColorado
CountyProwers
Location2.8 Mi East Of Granada
CarriesUS 50 Ml
CrossesGranada Creek
Coordinates38.05072, -102.26093

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length64.6 ft (19.7 m)
Max Span20.0 ft (6.1 m)
Deck Width53.5 ft (16.3 m)
Deck Area321.1 sq m
Main Spans3
Year Built2015

Traffic

Avg Daily Traffic1,900 (2020)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberL-27-Z

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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