Structure SA5600000000058 · Perry County, MS

Arlington Road over Thompson Creek

Carries Arlington Road over Thompson Creek, Sec 33 T 3n R 9w B.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT448 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

448 ft end to end, longest span 80 ft: about 6 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.

Built195472 years old
Length448.2 ft136.6 m
Daily traffic190counted 2024
Last inspectedDecember 2023every 24 months

Location

StateMississippi
CountyPerry
LocationSec 33 T 3n R 9w B
CarriesArlington Road
CrossesThompson Creek
Coordinates31.18564, -88.90256

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length448.2 ft (136.6 m)
Max Span80.1 ft (24.4 m)
Deck Width24.6 ft (7.5 m)
Deck Area1024.5 sq m
Main Spans15
Year Built1954

Traffic

Avg Daily Traffic190 (2024)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberSA5600000000058

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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