Structure 21000780730665A · Union County, MS

I 22 over Murrah DR

Carries I 22 over Murrah DR, 0.5 Mi E SR 15.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT163 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

163 ft end to end: about 2 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.

Built196858 years old
Length162.7 ft49.6 m
Daily traffic14,500counted 2023
Last inspectedNovember 2023every 24 months

Location

StateMississippi
CountyUnion
Location0.5 Mi E SR 15
CarriesI 22
CrossesMurrah DR
Coordinates34.46558, -88.99860

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length162.7 ft (49.6 m)
Max Span69.9 ft (21.3 m)
Deck Width41.7 ft (12.7 m)
Deck Area629.9 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic14,500 (2023)
Truck Traffic31%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number21000780730665A

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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