Structure 11732 · St. Louis County, MO

Is 44 W over Cst Park AVE Mo 100

Carries Is 44 W over Cst Park AVE Mo 100, S 25 T 45 N R 7 E.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,175 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

3,175 ft end to end, longest span 140 ft: about 8.8 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.

Built197650 years old
Length3174.9 ft967.7 m
Daily traffic53,654counted 2024
Last inspectedSeptember 2023every 24 months

Location

StateMissouri
CountySt. Louis
LocationS 25 T 45 N R 7 E
CarriesIs 44 W
CrossesCst Park AVE Mo 100
Coordinates38.61507, -90.19404

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length3174.9 ft (967.7 m)
Max Span140.1 ft (42.7 m)
Deck Width71.2 ft (21.7 m)
Deck Area20999.1 sq m
Main Spans27
Year Built1976

Traffic

Avg Daily Traffic53,654 (2024)
Truck Traffic18%
Lanes On Bridge3
Lanes Under Bridge19

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number11732

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.

Nearby Bridges