Structure 210004501204650 · Clarke County, MS

SR 18/sr 145 over Kcs Rr

Carries SR 18/sr 145 over Kcs Rr, 1.4 Mi N SR 18 W.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,068 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

1,068 ft end to end: about 3.0 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.

Built194086 years old
Length1067.9 ft325.5 m
Daily traffic5,700counted 2023
Last inspectedMay 2024every 12 months

Location

StateMississippi
CountyClarke
Location1.4 Mi N SR 18 W
CarriesSR 18/sr 145
CrossesKcs Rr
Coordinates32.02087, -88.73003

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1067.9 ft (325.5 m)
Max Span67.9 ft (20.7 m)
Deck Width26.9 ft (8.2 m)
Deck Area2669.1 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic5,700 (2023)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number210004501204650

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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