Structure 29098 · Macon County, MO

US 36 E over Mid Fk Chariton Rv

Carries US 36 E over Mid Fk Chariton Rv, S 8 T 57 N R 15 W.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure9/9 · Excellent
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT415 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 9/9Substructure 7/9 · sets the rating

415 ft end to end, longest span 60 ft: about 6 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.

Built200224 years old
Length415.0 ft126.5 m
Daily traffic5,130counted 2024
Last inspectedSeptember 2023every 24 months

Location

StateMissouri
CountyMacon
LocationS 8 T 57 N R 15 W
CarriesUS 36 E
CrossesMid Fk Chariton Rv
Coordinates39.75872, -92.59707

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length415.0 ft (126.5 m)
Max Span59.7 ft (18.2 m)
Deck Width40.0 ft (12.2 m)
Deck Area1543.3 sq m
Main Spans7
Year Built2002

Traffic

Avg Daily Traffic5,130 (2024)
Truck Traffic37%
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 Number29098

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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