Structure 19SR1550019 · Davidson County, TN

Fau 155 348024d over Richland CR & Csx Rr

Carries Fau 155 348024d over Richland CR & Csx Rr, 2.2 M NE Jct Sr1&sr100.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT521 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

521 ft end to end, longest span 65 ft: about 7 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 box-beam bridge.

Built198343 years old
Length521.0 ft158.8 m
Daily traffic23,582counted 2021
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyDavidson
Location2.2 M NE Jct Sr1&sr100
CarriesFau 155 348024d
CrossesRichland CR & Csx Rr
Coordinates36.12658, -86.84948

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length521.0 ft (158.8 m)
Max Span65.0 ft (19.8 m)
Deck Width78.1 ft (23.8 m)
Deck Area3779.4 sq m
Main Spans8
Year Built1983

Traffic

Avg Daily Traffic23,582 (2021)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number19SR1550019

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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