Structure 4089 · Cape Girardeau County, MO

Mo 74 E over Mississippi Rvr Cst Aqu

Carries Mo 74 E over Mississippi Rvr Cst Aqu, S 222 T 30 N R 14 E.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,956 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 6/9 · sets the rating

3,956 ft end to end, longest span 1,150 ft: about 11 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 cable-stayed bridge.

Built199729 years old
Length3956.0 ft1205.8 m
Daily traffic11,869counted 2024
Last inspectedApril 2024every 24 months

Location

StateMissouri
CountyCape Girardeau
LocationS 222 T 30 N R 14 E
CarriesMo 74 E
CrossesMississippi Rvr Cst Aqu
Coordinates37.29514, -89.51828

Physical Characteristics

MaterialSteel Continuous
DesignStayed Girder
Total Length3956.0 ft (1205.8 m)
Max Span1149.9 ft (350.5 m)
Deck Width86.3 ft (26.3 m)
Deck Area31712.5 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic11,869 (2024)
Truck Traffic12%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number4089

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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