Structure 600A0480001 · Maury County, TN

Nfa A048 over Leipers Creek

Carries Nfa A048 over Leipers Creek, 4.25 M. N. Santa Fe..

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 8/9 · sets the rating

65 ft end to end, longest span 61 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 multi-beam bridge.

Built20215 years old
Length65.0 ft19.8 m
Daily traffic100counted 2020
Last inspectedApril 2024every 24 months

Location

StateTennessee
CountyMaury
Location4.25 M. N. Santa Fe.
CarriesNfa A048
CrossesLeipers Creek
Coordinates35.79939, -87.12267

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length65.0 ft (19.8 m)
Max Span61.4 ft (18.7 m)
Deck Width26.2 ft (8 m)
Deck Area158.4 sq m
Main Spans2
Year Built2021

Traffic

Avg Daily Traffic100 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number600A0480001

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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