Structure S081 12016L · Platte County, NE

SB Us81 over Shell Creek

Carries SB Us81 over Shell Creek, 8nw Columbus.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT133 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 8/9

133 ft end to end, longest span 49 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.

Built199828 years old
Length132.9 ft40.5 m
Daily traffic7,875counted 2018
Last inspectedJune 2023every 24 months

Location

StateNebraska
CountyPlatte
Location8nw Columbus
CarriesSB Us81
CrossesShell Creek
Coordinates41.50960, -97.46520

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length132.9 ft (40.5 m)
Max Span48.9 ft (14.9 m)
Deck Width40.7 ft (12.4 m)
Deck Area502.2 sq m
Main Spans3
Year Built1998

Traffic

Avg Daily Traffic7,875 (2018)
Truck Traffic18%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberS081 12016L

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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