Structure 310006303000140 · Jackson County, MS

SR 63 over Escatawpa River

Carries SR 63 over Escatawpa River, 1.4 Mi N US 90.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
5,968 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

5,968 ft end to end, longest span 300 ft: about 17 football fields, or 1.1 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built197848 years old
Length5967.8 ft1,819 m
Daily traffic19,000counted 2023
Last inspectedAugust 2023every 24 months

Location

StateMississippi
CountyJackson
Location1.4 Mi N US 90
CarriesSR 63
CrossesEscatawpa River
Coordinates30.41034, -88.51335

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length5967.8 ft (1,819 m)
Max Span299.9 ft (91.4 m)
Deck Width81.7 ft (24.9 m)
Deck Area45293.1 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic19,000 (2023)
Truck Traffic8%
Lanes On Bridge40

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number310006303000140

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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