Structure 37274 · Stoddard County, MO

County Road 766 over Drain Ditch

Carries County Road 766 over Drain Ditch, S 20 T 24 N R 11 E.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

45 ft end to end. Lengths and the car 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 box-beam bridge.

Built20242 years old
Length44.9 ft13.7 m
Daily traffic35counted 2023
Last inspectedApril 2024every 24 months

Location

StateMissouri
CountyStoddard
LocationS 20 T 24 N R 11 E
CarriesCounty Road 766
CrossesDrain Ditch
Coordinates36.70069, -89.88091

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length44.9 ft (13.7 m)
Max Span41.0 ft (12.5 m)
Deck Width24.0 ft (7.3 m)
Deck Area100.0 sq m
Main Spans1
Year Built2024

Traffic

Avg Daily Traffic35 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number37274

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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