Structure 25397 · Jackson County, MO

12th ST over Hickory ST Beardsley

Carries 12th ST over Hickory ST Beardsley, S 6 T 49 N R 33 W.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,054 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

2,054 ft end to end, longest span 149 ft: about 5.7 football fields. 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 tee-beam bridge.

Built1915rebuilt 2010
Length2054.1 ft626.1 m
Daily traffic9,496counted 2024
Last inspectedApril 2024every 24 months

Location

StateMissouri
CountyJackson
LocationS 6 T 49 N R 33 W
Carries12th ST
CrossesHickory ST Beardsley
Coordinates39.10052, -94.59789

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length2054.1 ft (626.1 m)
Max Span149.0 ft (45.4 m)
Deck Width60.0 ft (18.3 m)
Deck Area11457.6 sq m
Main Spans44
Year Built1915 (reconstructed 2010)

Traffic

Avg Daily Traffic9,496 (2024)
Truck Traffic5%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number25397

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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