Structure S070 10197 · Valley County, NE

N70 over Middle Loup River

Carries N70 over Middle Loup River, Wcl Arcadia.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT365 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

365 ft end to end, longest span 100 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.

Built2009rebuilt 2017
Length365.2 ft111.3 m
Daily traffic745counted 2018
Last inspectedDecember 2024every 24 months

Location

StateNebraska
CountyValley
LocationWcl Arcadia
CarriesN70
CrossesMiddle Loup River
Coordinates41.42250, -99.13160

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length365.2 ft (111.3 m)
Max Span100.1 ft (30.5 m)
Deck Width38.7 ft (11.8 m)
Deck Area1313.3 sq m
Main Spans4
Year Built2009 (reconstructed 2017)

Traffic

Avg Daily Traffic745 (2018)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberS070 10197

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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