Structure 82SR0340025 · Sullivan County, TN

Fap 34 over South Holston River

Carries Fap 34 over South Holston River, 8 Mi. Ne.of Johnson Co..

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
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,262 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,262 ft end to end, longest span 400 ft: about 3.5 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 through truss.

Built1949rebuilt 2008
Length1262.1 ft384.7 m
Daily traffic1,904counted 2021
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountySullivan
Location8 Mi. Ne.of Johnson Co.
CarriesFap 34
CrossesSouth Holston River
Coordinates36.56583, -82.04600

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length1262.1 ft (384.7 m)
Max Span399.9 ft (121.9 m)
Deck Width34.1 ft (10.4 m)
Deck Area4000.9 sq m
Main Spans2
Year Built1949 (reconstructed 2008)

Traffic

Avg Daily Traffic1,904 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number82SR0340025

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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