Structure SA3600000000189 · Lafayette County, MS

College Hill Road over Stream

Carries College Hill Road over Stream, Sec 20 T 8s R 3w.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT93 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

93 ft end to end, longest span 31 ft. 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 channel-beam bridge.

Built200620 years old
Length92.8 ft28.3 m
Daily traffic7,700counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateMississippi
CountyLafayette
LocationSec 20 T 8s R 3w
CarriesCollege Hill Road
CrossesStream
Coordinates34.37811, -89.54153

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length92.8 ft (28.3 m)
Max Span30.8 ft (9.4 m)
Deck Width59.7 ft (18.2 m)
Deck Area515.1 sq m
Main Spans3
Year Built2006

Traffic

Avg Daily Traffic7,700 (2022)
Truck Traffic8%
Lanes On Bridge3

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure NumberSA3600000000189

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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