Structure 4368 · Montgomery County, MO

Mo 19 S over Loutre Rvr

Carries Mo 19 S over Loutre Rvr, S 26 T 46 N R 5 W.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,937 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,937 ft end to end, longest span 115 ft: about 5.4 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.

Built1995rebuilt 2005
Length1937.0 ft590.4 m
Daily traffic5,944counted 2024
Last inspectedSeptember 2023every 24 months

Location

StateMissouri
CountyMontgomery
LocationS 26 T 46 N R 5 W
CarriesMo 19 S
CrossesLoutre Rvr
Coordinates38.71895, -91.44243

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length1937.0 ft (590.4 m)
Max Span115.2 ft (35.1 m)
Deck Width45.6 ft (13.9 m)
Deck Area8206.6 sq m
Main Spans7
Year Built1995 (reconstructed 2005)

Traffic

Avg Daily Traffic5,944 (2024)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number4368

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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