Structure 28I00650036 · Giles County, TN

I65 over I65 Ll / Nfa 1885

Carries I65 over I65 Ll / Nfa 1885, 3 Mi NW Jct Sr15.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT127 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

127 ft end to end, longest span 51 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.

Built196561 years old
Length127.0 ft38.7 m
Daily traffic24,295counted 2021
Last inspectedNovember 2023every 24 months

Location

StateTennessee
CountyGiles
Location3 Mi NW Jct Sr15
CarriesI65
CrossesI65 Ll / Nfa 1885
Coordinates35.23015, -86.88717

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length127.0 ft (38.7 m)
Max Span51.2 ft (15.6 m)
Deck Width40.4 ft (12.3 m)
Deck Area476.0 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic24,295 (2021)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number28I00650036

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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