Structure 34162 · St. Louis County, MO

Mo 141 S over Creve Coeur CR

Carries Mo 141 S over Creve Coeur CR, S 923 T 46 N R 5 E.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT809 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

809 ft end to end, longest span 120 ft: about 2.2 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.

Built201214 years old
Length808.7 ft246.5 m
Daily traffic33,691counted 2024
Last inspectedOctober 2024every 24 months

Location

StateMissouri
CountySt. Louis
LocationS 923 T 46 N R 5 E
CarriesMo 141 S
CrossesCreve Coeur CR
Coordinates38.68642, -90.49494

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length808.7 ft (246.5 m)
Max Span120.1 ft (36.6 m)
Deck Width104.7 ft (31.9 m)
Deck Area7863.4 sq m
Main Spans8
Year Built2012

Traffic

Avg Daily Traffic33,691 (2024)
Truck Traffic5%
Lanes On Bridge6

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number34162

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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