Structure 600B0240001 · Maury County, TN

Nfa 3203 over Rutherford Creek

Carries Nfa 3203 over Rutherford Creek, 3 M. N. Columbia..

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT103 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

103 ft end to end, longest span 51 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.

Built197551 years old
Length103.0 ft31.4 m
Daily traffic1,616counted 2021
Last inspectedApril 2024every 24 months

Location

StateTennessee
CountyMaury
Location3 M. N. Columbia.
CarriesNfa 3203
CrossesRutherford Creek
Coordinates35.66060, -87.03067

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length103.0 ft (31.4 m)
Max Span50.9 ft (15.5 m)
Deck Width32.5 ft (9.9 m)
Deck Area310.9 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic1,616 (2021)
Truck Traffic3%
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 Number600B0240001

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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