Structure 21000780730614A · Union County, MS

I 22 over Hell Creek

Carries I 22 over Hell Creek, 1.9 Mi W SR 30.

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
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT220 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

220 ft end to end: about 3 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.

Built1972rebuilt 1997
Length220.1 ft67.1 m
Daily traffic11,500counted 2023
Last inspectedNovember 2023every 24 months

Location

StateMississippi
CountyUnion
Location1.9 Mi W SR 30
CarriesI 22
CrossesHell Creek
Coordinates34.51560, -89.05228

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length220.1 ft (67.1 m)
Max Span60.0 ft (18.3 m)
Deck Width41.7 ft (12.7 m)
Deck Area852.2 sq m
Main Spans1
Year Built1972 (reconstructed 1997)

Traffic

Avg Daily Traffic11,500 (2023)
Truck Traffic31%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number21000780730614A

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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