Structure S030 22428 · Dawson County, NE

Us30/n21 over Farmers&merchants Canal

Carries Us30/n21 over Farmers&merchants Canal, In Cozad.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 67 ft across with 5 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.

Built198541 years old
Length66.9 ft20.4 m
Daily traffic3,050counted 2018
Last inspectedOctober 2023every 48 months

Location

StateNebraska
CountyDawson
LocationIn Cozad
CarriesUs30/n21
CrossesFarmers&merchants Canal
Coordinates40.85420, -99.97730

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length66.9 ft (20.4 m)
Max Span9.8 ft (3 m)
Deck Area336.6 sq m
Main Spans5
Year Built1985

Traffic

Avg Daily Traffic3,050 (2018)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberS030 22428

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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