Structure 19I00650091 · Davidson County, TN

I65 348100u over Csx Railroad

Carries I65 348100u over Csx Railroad, .05 M S Jct I65&two Mile.

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 FT254 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

254 ft end to end, longest span 88 ft: about 4 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.

Built1963rebuilt 1997
Length253.9 ft77.4 m
Daily traffic96,943counted 2021
Last inspectedFebruary 2024every 24 months

Location

StateTennessee
CountyDavidson
Location.05 M S Jct I65&two Mile
CarriesI65 348100u
CrossesCsx Railroad
Coordinates36.30622, -86.70603

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length253.9 ft (77.4 m)
Max Span87.9 ft (26.8 m)
Deck Width147.6 ft (45 m)
Deck Area3,483 sq m
Main Spans3
Year Built1963 (reconstructed 1997)

Traffic

Avg Daily Traffic96,943 (2021)
Truck Traffic7%
Lanes On Bridge8

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number19I00650091

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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