Structure S050 05900 · Otoe County, NE

N50 over N Fk Little Nemaha River

Carries N50 over N Fk Little Nemaha River, 6n Syracuse.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

86 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.

Built1958rebuilt 2009
Length86.0 ft26.2 m
Daily traffic3,485counted 2018
Last inspectedFebruary 2025every 24 months

Location

StateNebraska
CountyOtoe
Location6n Syracuse
CarriesN50
CrossesN Fk Little Nemaha River
Coordinates40.75570, -96.17840

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length86.0 ft (26.2 m)
Max Span85.0 ft (25.9 m)
Deck Width32.5 ft (9.9 m)
Deck Area259.4 sq m
Main Spans1
Year Built1958 (reconstructed 2009)

Traffic

Avg Daily Traffic3,485 (2018)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure NumberS050 05900

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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