Structure 19I00650073 · Davidson County, TN

Fap 408 (sr 155) over I65

Carries Fap 408 (sr 155) over I65, Briley Parkway.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT425 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

425 ft end to end, longest span 228 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.

Built200521 years old
Length424.9 ft129.5 m
Daily traffic62,369counted 2021
Last inspectedFebruary 2024every 24 months

Location

StateTennessee
CountyDavidson
LocationBriley Parkway
CarriesFap 408 (sr 155)
CrossesI65
Coordinates36.24068, -86.75120

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length424.9 ft (129.5 m)
Max Span228.0 ft (69.5 m)
Deck Width107.9 ft (32.9 m)
Deck Area4260.6 sq m
Main Spans2
Year Built2005

Traffic

Avg Daily Traffic62,369 (2021)
Truck Traffic7%
Lanes On Bridge6
Lanes Under Bridge14

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number19I00650073

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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