Structure S159 01373 · Richardson County, NE

Us159 over Missouri River/ash ST

Carries Us159 over Missouri River/ash ST, Ecl Rulo.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,401 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 5/9 · sets the rating

2,401 ft end to end, longest span 426 ft: about 6.7 football fields. 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.

Built201115 years old
Length2400.9 ft731.8 m
Daily traffic1,005counted 2018
Last inspectedSeptember 2023every 24 months

Location

StateNebraska
CountyRichardson
LocationEcl Rulo
CarriesUs159
CrossesMissouri River/ash ST
Coordinates40.05200, -95.42100

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length2400.9 ft (731.8 m)
Max Span425.9 ft (129.8 m)
Deck Width42.3 ft (12.9 m)
Deck Area9440.2 sq m
Main Spans3
Year Built2011

Traffic

Avg Daily Traffic1,005 (2018)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberS159 01373

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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