Structure 33SR0020009 · Hamilton County, TN

Fau 2 over Ravine -lookout Mountain

Carries Fau 2 over Ravine -lookout Mountain, Jct Of Sr-148.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,075 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

1,075 ft end to end, longest span 43 ft: about 3.0 football fields. 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.

Built193591 years old
Length1075.1 ft327.7 m
Daily traffic9,998counted 2021
Last inspectedDecember 2024every 24 months

Location

StateTennessee
CountyHamilton
LocationJct Of Sr-148
CarriesFau 2
CrossesRavine -lookout Mountain
Coordinates35.01985, -85.33728

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length1075.1 ft (327.7 m)
Max Span43.0 ft (13.1 m)
Deck Width43.3 ft (13.2 m)
Deck Area4325.6 sq m
Main Spans36
Year Built1935

Traffic

Avg Daily Traffic9,998 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number33SR0020009

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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