Structure 11002200250096A · Hinds County, MS

I 220 over County Line Road

Carries I 220 over County Line Road, 4.5 Mi N US 49.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT324 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

324 ft end to end, longest span 144 ft: about 5 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 box-beam bridge.

Built197848 years old
Length324.1 ft98.8 m
Daily traffic23,500counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateMississippi
CountyHinds
Location4.5 Mi N US 49
CarriesI 220
CrossesCounty Line Road
Coordinates32.40053, -90.17672

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length324.1 ft (98.8 m)
Max Span144.0 ft (43.9 m)
Deck Width51.8 ft (15.8 m)
Deck Area1561.0 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic23,500 (2023)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number11002200250096A

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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