Structure 16427 · Wayne County, MO

County RD 406 over Str (dry Wash)

Carries County RD 406 over Str (dry Wash), S 14 T 27 N R 5 E.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 7/9

24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1960rebuilt 1983
Length24.0 ft7.3 m
Daily traffic35counted 2024
Last inspectedDecember 2023every 24 months

Location

StateMissouri
CountyWayne
LocationS 14 T 27 N R 5 E
CarriesCounty RD 406
CrossesStr (dry Wash)
Coordinates36.99579, -90.49275

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length24.0 ft (7.3 m)
Max Span24.0 ft (7.3 m)
Deck Width12.1 ft (3.7 m)
Deck Area27.0 sq m
Main Spans1
Year Built1960 (reconstructed 1983)

Traffic

Avg Daily Traffic35 (2024)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number16427

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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