Structure 1059 · Holt County, MO

Is 29 S over Nodaway Rvr

Carries Is 29 S over Nodaway Rvr, S 36 T 60 N R 37 W.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT914 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

914 ft end to end, longest span 140 ft: about 2.5 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.

Built1966rebuilt 2017
Length914.0 ft278.6 m
Daily traffic9,040counted 2024
Last inspectedNovember 2023every 24 months

Location

StateMissouri
CountyHolt
LocationS 36 T 60 N R 37 W
CarriesIs 29 S
CrossesNodaway Rvr
Coordinates39.97153, -94.99619

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length914.0 ft (278.6 m)
Max Span140.1 ft (42.7 m)
Deck Width34.1 ft (10.4 m)
Deck Area2897.4 sq m
Main Spans3
Year Built1966 (reconstructed 2017)

Traffic

Avg Daily Traffic9,040 (2024)
Truck Traffic34%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number1059

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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