Structure 30I00810085 · Greene County, TN

Nfa B083 over Nfa B083 / Lt LN I81

Carries Nfa B083 over Nfa B083 / Lt LN I81, 2.2 M W Of US 11e Exit.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT126 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

126 ft end to end. 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 multi-beam bridge.

Built197056 years old
Length126.0 ft38.4 m
Daily traffic210counted 2020
Last inspectedJuly 2024every 24 months

Location

StateTennessee
CountyGreene
Location2.2 M W Of US 11e Exit
CarriesNfa B083
CrossesNfa B083 / Lt LN I81
Coordinates36.21260, -83.07490

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length126.0 ft (38.4 m)
Max Span123.0 ft (37.5 m)
Deck Width33.5 ft (10.2 m)
Deck Area391.7 sq m
Main Spans1
Year Built1970

Traffic

Avg Daily Traffic210 (2020)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number30I00810085

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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