Structure C004821320 · Jefferson County, NE

County Highway over Little Blue River

Carries County Highway over Little Blue River, 1e .9s Of Powell.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT327 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 8/9Substructure 6/9 · sets the rating

327 ft end to end, longest span 88 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.

Built197452 years old
Length327.1 ft99.7 m
Daily traffic15counted 2003
Last inspectedOctober 2024every 24 months

Location

StateNebraska
CountyJefferson
Location1e .9s Of Powell
CarriesCounty Highway
CrossesLittle Blue River
Coordinates40.20830, -97.25500

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length327.1 ft (99.7 m)
Max Span87.9 ft (26.8 m)
Deck Width24.0 ft (7.3 m)
Deck Area727.8 sq m
Main Spans4
Year Built1974

Traffic

Avg Daily Traffic15 (2003)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure NumberC004821320

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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