Structure 19I00650117 · Davidson County, TN

Fau 4888 over I65-rr-powell

Carries Fau 4888 over I65-rr-powell, 1 M. S. SR 155 @ I65.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,117 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,117 ft end to end, longest span 168 ft: about 3.1 football fields. 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.

Built198541 years old
Length1117.1 ft340.5 m
Daily traffic11,148counted 2021
Last inspectedJanuary 2024every 24 months

Location

StateTennessee
CountyDavidson
Location1 M. S. SR 155 @ I65
CarriesFau 4888
CrossesI65-rr-powell
Coordinates36.10134, -86.76523

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1117.1 ft (340.5 m)
Max Span168.0 ft (51.2 m)
Deck Width67.9 ft (20.7 m)
Deck Area7048.4 sq m
Main Spans9
Year Built1985

Traffic

Avg Daily Traffic11,148 (2021)
Truck Traffic3%
Lanes On Bridge4
Lanes Under Bridge11

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number19I00650117

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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