Structure 78SR4490005 · Sevier County, TN

Fas 449 over Middle Creek

Carries Fas 449 over Middle Creek, 7 M SE Of Jct Sr35 & Sr71.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT330 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

330 ft end to end, longest span 83 ft: about 5 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 multi-beam bridge.

Built200521 years old
Length329.7 ft100.5 m
Daily traffic22,668counted 2021
Last inspectedAugust 2023every 24 months

Location

StateTennessee
CountySevier
Location7 M SE Of Jct Sr35 & Sr71
CarriesFas 449
CrossesMiddle Creek
Coordinates35.82981, -83.54280

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length329.7 ft (100.5 m)
Max Span82.7 ft (25.2 m)
Deck Width123.7 ft (37.7 m)
Deck Area3788.8 sq m
Main Spans4
Year Built2005

Traffic

Avg Daily Traffic22,668 (2021)
Truck Traffic13%
Lanes On Bridge6

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number78SR4490005

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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