Structure 1183 · Jackson County, MO

Is 435 S over Cst E 104th ST Up Rr

Carries Is 435 S over Cst E 104th ST Up Rr, S 33 T 48 N R 33 W.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT318 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

318 ft end to end, longest span 72 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 multi-beam bridge.

Built1966rebuilt 2019
Length318.2 ft97 m
Daily traffic71,990counted 2024
Last inspectedOctober 2023every 24 months

Location

StateMissouri
CountyJackson
LocationS 33 T 48 N R 33 W
CarriesIs 435 S
CrossesCst E 104th ST Up Rr
Coordinates38.93989, -94.56744

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length318.2 ft (97 m)
Max Span71.9 ft (21.9 m)
Deck Width66.6 ft (20.3 m)
Deck Area1969.1 sq m
Main Spans5
Year Built1966 (reconstructed 2019)

Traffic

Avg Daily Traffic71,990 (2024)
Truck Traffic18%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1183

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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