Structure C006613715 · Otoe County, NE

Fas 3705 over N Fk Little Nemaha River

Carries Fas 3705 over N Fk Little Nemaha River, Jct N50/s-66c 3e .4n.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

142 ft end to end, longest span 56 ft. 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 slab bridge.

Built201610 years old
Length142.4 ft43.4 m
Daily traffic150counted 2011
Last inspectedOctober 2021every 48 months

Location

StateNebraska
CountyOtoe
LocationJct N50/s-66c 3e .4n
CarriesFas 3705
CrossesN Fk Little Nemaha River
Coordinates40.73010, -96.12120

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length142.4 ft (43.4 m)
Max Span56.1 ft (17.1 m)
Deck Width30.2 ft (9.2 m)
Deck Area399.3 sq m
Main Spans3
Year Built2016

Traffic

Avg Daily Traffic150 (2011)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2021
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberC006613715

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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