Structure 10SR0370037 · Carter County, TN

Fap 37 over Sr-37 / Sr-91

Carries Fap 37 over Sr-37 / Sr-91, Jct Of SR 37 & SR 91.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

156 ft end to end: about 2 semi-trucks nose to tail. 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 box-beam bridge.

Built199135 years old
Length156.5 ft47.7 m
Daily traffic18,644counted 2021
Last inspectedMay 2023every 24 months

Location

StateTennessee
CountyCarter
LocationJct Of SR 37 & SR 91
CarriesFap 37
CrossesSr-37 / Sr-91
Coordinates36.35802, -82.20502

Physical Characteristics

MaterialConcrete
DesignBox Beam - Single/Spread
Total Length156.5 ft (47.7 m)
Max Span140.4 ft (42.8 m)
Deck Width91.9 ft (28 m)
Deck Area1335.6 sq m
Main Spans1
Year Built1991

Traffic

Avg Daily Traffic18,644 (2021)
Truck Traffic9%
Lanes On Bridge4
Lanes Under Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number10SR0370037

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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