Structure 37000030820398A · Yazoo County, MS

US 49e To US 49w over Cnic Railroad

Carries US 49e To US 49w over Cnic Railroad, Jct US 49e/us 49w.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,118 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

1,118 ft end to end, longest span 190 ft: about 3.1 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 box-beam bridge.

Built200224 years old
Length1117.8 ft340.7 m
Daily traffic400counted 2023
Last inspectedMarch 2023every 24 months

Location

StateMississippi
CountyYazoo
LocationJct US 49e/us 49w
CarriesUS 49e To US 49w
CrossesCnic Railroad
Coordinates32.88929, -90.38716

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Multiple
Total Length1117.8 ft (340.7 m)
Max Span190.3 ft (58 m)
Deck Width34.4 ft (10.5 m)
Deck Area3577.3 sq m
Main Spans3
Year Built2002

Traffic

Avg Daily Traffic400 (2023)
Truck Traffic7%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number37000030820398A

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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