Structure 20972 · Gentry County, MO

430 TH Road over Wildcat CR

Carries 430 TH Road over Wildcat CR, S 35 T 63 N R 33 W.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT141 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

141 ft end to end, longest span 71 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 multi-beam bridge.

Built199234 years old
Length141.1 ft43 m
Daily traffic30counted 2024
Last inspectedFebruary 2023every 24 months

Location

StateMissouri
CountyGentry
LocationS 35 T 63 N R 33 W
Carries430 TH Road
CrossesWildcat CR
Coordinates40.21764, -94.57562

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length141.1 ft (43 m)
Max Span70.9 ft (21.6 m)
Deck Width23.3 ft (7.1 m)
Deck Area305.3 sq m
Main Spans3
Year Built1992

Traffic

Avg Daily Traffic30 (2024)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number20972

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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