Structure 2852 · Clay County, MO

Rp Us69n To Is435n over Rp Is435n To Is35n

Carries Rp Us69n To Is435n over Rp Is435n To Is35n, S 27 T 51 N R 32 W.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT256 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

256 ft end to end, longest span 97 ft: about 4 semi-trucks nose to tail. 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 girder bridge.

Built198145 years old
Length255.9 ft78 m
Daily traffic2,362counted 2024
Last inspectedFebruary 2025every 24 months

Location

StateMissouri
CountyClay
LocationS 27 T 51 N R 32 W
CarriesRp Us69n To Is435n
CrossesRp Is435n To Is35n
Coordinates39.20482, -94.49152

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length255.9 ft (78 m)
Max Span97.1 ft (29.6 m)
Deck Width29.2 ft (8.9 m)
Deck Area694.2 sq m
Main Spans3
Year Built1981

Traffic

Avg Daily Traffic2,362 (2024)
Truck Traffic19%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number2852

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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