Structure 21000780410890B · Lee County, MS

I 22 over Mud Creek Relief

Carries I 22 over Mud Creek Relief, 0.8 Mi E US 45.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure8/9 · Very Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT302 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 8/9Substructure 7/9

302 ft end to end, longest span 50 ft: about 4 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.

Built198145 years old
Length302.2 ft92.1 m
Daily traffic16,500counted 2023
Last inspectedDecember 2024every 24 months

Location

StateMississippi
CountyLee
Location0.8 Mi E US 45
CarriesI 22
CrossesMud Creek Relief
Coordinates34.29126, -88.69086

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length302.2 ft (92.1 m)
Max Span49.9 ft (15.2 m)
Deck Width43.3 ft (13.2 m)
Deck Area1215.7 sq m
Main Spans6
Year Built1981

Traffic

Avg Daily Traffic16,500 (2023)
Truck Traffic27%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number21000780410890B

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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