Structure S020 32180 · Holt County, NE

Us20 over Elkhorn River

Carries Us20 over Elkhorn River, 6se Inman.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT133 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

133 ft end to end, longest span 52 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 tee-beam bridge.

Built200026 years old
Length132.9 ft40.5 m
Daily traffic820counted 2018
Last inspectedMarch 2021every 48 months

Location

StateNebraska
CountyHolt
Location6se Inman
CarriesUs20
CrossesElkhorn River
Coordinates42.33560, -98.43740

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length132.9 ft (40.5 m)
Max Span51.8 ft (15.8 m)
Deck Width45.6 ft (13.9 m)
Deck Area563.0 sq m
Main Spans3
Year Built2000

Traffic

Avg Daily Traffic820 (2018)
Truck Traffic26%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberS020 32180

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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