Structure 1397 · Jackson County, MO

Is 35 N over Cst Southwest BLVD Bnsf

Carries Is 35 N over Cst Southwest BLVD Bnsf, S 7 T 49 N R 33 W.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,055 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

1,055 ft end to end, longest span 132 ft: about 2.9 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 multi-beam bridge.

Built1967rebuilt 2013
Length1055.1 ft321.6 m
Daily traffic88,409counted 2024
Last inspectedMarch 2023every 24 months

Location

StateMissouri
CountyJackson
LocationS 7 T 49 N R 33 W
CarriesIs 35 N
CrossesCst Southwest BLVD Bnsf
Coordinates39.07609, -94.60310

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1055.1 ft (321.6 m)
Max Span131.9 ft (40.2 m)
Deck Width100.7 ft (30.7 m)
Deck Area9873.1 sq m
Main Spans4
Year Built1967 (reconstructed 2013)

Traffic

Avg Daily Traffic88,409 (2024)
Truck Traffic18%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1397

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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