Structure 28SR0150023 · Giles County, TN

Nfa A800 over Leatherwood Creek

Carries Nfa A800 over Leatherwood Creek, 3.3 Mi.e.of Pulaski.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT142 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

142 ft end to end, longest span 29 ft. 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 tee-beam bridge.

Built1930rebuilt 1965
Length142.4 ft43.4 m
Daily traffic60counted 2020
Last inspectedApril 2024every 24 months

Location

StateTennessee
CountyGiles
Location3.3 Mi.e.of Pulaski
CarriesNfa A800
CrossesLeatherwood Creek
Coordinates35.17579, -86.96189

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length142.4 ft (43.4 m)
Max Span28.5 ft (8.7 m)
Deck Width36.4 ft (11.1 m)
Deck Area481.7 sq m
Main Spans5
Year Built1930 (reconstructed 1965)

Traffic

Avg Daily Traffic60 (2020)
Truck Traffic15%
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 Number28SR0150023

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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