Structure S050 07611 · Cass County, NE

N50 over Bnsf Rr 073-015-r

Carries N50 over Bnsf Rr 073-015-r, 0w Louisville.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT339 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 6/9Substructure 7/9

339 ft end to end, longest span 98 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built1957rebuilt 1984
Length338.9 ft103.3 m
Daily traffic6,570counted 2018
Last inspectedMarch 2024every 24 months

Location

StateNebraska
CountyCass
Location0w Louisville
CarriesN50
CrossesBnsf Rr 073-015-r
Coordinates41.00190, -96.16750

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length338.9 ft (103.3 m)
Max Span98.1 ft (29.9 m)
Deck Width32.8 ft (10 m)
Deck Area1,033 sq m
Main Spans2
Year Built1957 (reconstructed 1984)

Traffic

Avg Daily Traffic6,570 (2018)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberS050 07611

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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