Structure 29632 · Ste. Genevieve County, MO

US 61 S over Saline CR

Carries US 61 S over Saline CR, S 3221 T 37 N R 9 E.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT312 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 9/9

312 ft end to end, longest span 150 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.

Built200323 years old
Length312.0 ft95.1 m
Daily traffic1,912counted 2024
Last inspectedOctober 2024every 24 months

Location

StateMissouri
CountySte. Genevieve
LocationS 3221 T 37 N R 9 E
CarriesUS 61 S
CrossesSaline CR
Coordinates37.90142, -89.97822

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length312.0 ft (95.1 m)
Max Span149.9 ft (45.7 m)
Deck Width42.7 ft (13 m)
Deck Area1236.3 sq m
Main Spans3
Year Built2003

Traffic

Avg Daily Traffic1,912 (2024)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number29632

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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