Structure SA7500000000083 · Warren County, MS

Tiffintown Road over Old HWY 80

Carries Tiffintown Road over Old HWY 80, Sec 20 T16n R 5e B.

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
CAR · 15 FT78 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

78 ft end to end. Lengths and the car 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.

Built197254 years old
Length78.1 ft23.8 m
Daily traffic2,700counted 2020
Last inspectedApril 2024every 24 months

Location

StateMississippi
CountyWarren
LocationSec 20 T16n R 5e B
CarriesTiffintown Road
CrossesOld HWY 80
Coordinates32.35311, -90.73425

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length78.1 ft (23.8 m)
Max Span40.0 ft (12.2 m)
Deck Width27.9 ft (8.5 m)
Deck Area202.3 sq m
Main Spans1
Year Built1972

Traffic

Avg Daily Traffic2,700 (2020)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberSA7500000000083

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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