Structure 30S23900007 · Greene County, TN

Nfa 1350 (sa 3016) over Branch

Carries Nfa 1350 (sa 3016) over Branch, 2 M NE Of I81-us11e Exch.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

23 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built193591 years old
Length23.3 ft7.1 m
Daily traffic467counted 2021
Last inspectedFebruary 2025every 24 months

Location

StateTennessee
CountyGreene
Location2 M NE Of I81-us11e Exch
CarriesNfa 1350 (sa 3016)
CrossesBranch
Coordinates36.24697, -83.02216

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length23.3 ft (7.1 m)
Max Span19.7 ft (6 m)
Deck Width23.0 ft (7 m)
Deck Area49.7 sq m
Main Spans1
Year Built1935

Traffic

Avg Daily Traffic467 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number30S23900007

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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