Structure 33023 · Moniteau County, MO

Bird Haven RD over Lit Moniteau CR

Carries Bird Haven RD over Lit Moniteau CR, S 3 T 45 N R 14 W.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT97 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

97 ft end to end. Lengths and the car 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.

Built201016 years old
Length97.1 ft29.6 m
Daily traffic35counted 2024
Last inspectedNovember 2023every 24 months

Location

StateMissouri
CountyMoniteau
LocationS 3 T 45 N R 14 W
CarriesBird Haven RD
CrossesLit Moniteau CR
Coordinates38.68017, -92.44131

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length97.1 ft (29.6 m)
Max Span94.5 ft (28.8 m)
Deck Width22.6 ft (6.9 m)
Deck Area204.2 sq m
Main Spans1
Year Built2010

Traffic

Avg Daily Traffic35 (2024)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number33023

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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