Structure 33330 · Lafayette County, MO

Mo 23 S over Davis CR Overflow

Carries Mo 23 S over Davis CR Overflow, S 28 T 49 N R 24 W.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure9/9 · Excellent
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 FT143 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 9/9Substructure 7/9 · sets the rating

143 ft end to end, longest span 50 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 box-beam bridge.

Built201115 years old
Length143.0 ft43.6 m
Daily traffic2,821counted 2024
Last inspectedJanuary 2023every 24 months

Location

StateMissouri
CountyLafayette
LocationS 28 T 49 N R 24 W
CarriesMo 23 S
CrossesDavis CR Overflow
Coordinates39.01687, -93.56444

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length143.0 ft (43.6 m)
Max Span49.9 ft (15.2 m)
Deck Width29.9 ft (9.1 m)
Deck Area396.8 sq m
Main Spans3
Year Built2011

Traffic

Avg Daily Traffic2,821 (2024)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number33330

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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