Structure 33647 · Jackson County, MO

Broadway BLVD S over Is 670 Rp Is670e To Cen

Carries Broadway BLVD S over Is 670 Rp Is670e To Cen, S 5 T 49 N R 33 W.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT349 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

349 ft end to end, longest span 98 ft: about 5 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 tee-beam bridge.

Built201115 years old
Length349.1 ft106.4 m
Daily traffic14,379counted 2024
Last inspectedSeptember 2023every 24 months

Location

StateMissouri
CountyJackson
LocationS 5 T 49 N R 33 W
CarriesBroadway BLVD S
CrossesIs 670 Rp Is670e To Cen
Coordinates39.09632, -94.58859

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length349.1 ft (106.4 m)
Max Span98.1 ft (29.9 m)
Deck Width77.1 ft (23.5 m)
Deck Area2500.4 sq m
Main Spans4
Year Built2011

Traffic

Avg Daily Traffic14,379 (2024)
Truck Traffic6%
Lanes On Bridge5
Lanes Under Bridge10

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number33647

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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