Structure 11741 · St. Louis County, MO

Geyer RD S over Is 44

Carries Geyer RD S over Is 44, S 14 T 44 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
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT321 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

321 ft end to end, longest span 100 ft: about 4 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 multi-beam bridge.

Built199630 years old
Length320.9 ft97.8 m
Daily traffic7,064counted 2024
Last inspectedJune 2024every 24 months

Location

StateMissouri
CountySt. Louis
LocationS 14 T 44 N R 5 E
CarriesGeyer RD S
CrossesIs 44
Coordinates38.55532, -90.41626

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length320.9 ft (97.8 m)
Max Span100.1 ft (30.5 m)
Deck Width41.3 ft (12.6 m)
Deck Area1232.3 sq m
Main Spans4
Year Built1996

Traffic

Avg Daily Traffic7,064 (2024)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number11741

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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