Structure 49SR0880071 · Lauderdale County, TN

Fas 88 over S. Fk. Forked Deer River

Carries Fas 88 over S. Fk. Forked Deer River, 0.1 Mi Fr Crockett Co LN.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,000 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

1,000 ft end to end, longest span 89 ft: about 2.8 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 multi-beam bridge.

Built1952rebuilt 1989
Length1000.0 ft304.8 m
Daily traffic1,990counted 2021
Last inspectedNovember 2023every 24 months

Location

StateTennessee
CountyLauderdale
Location0.1 Mi Fr Crockett Co LN
CarriesFas 88
CrossesS. Fk. Forked Deer River
Coordinates35.81811, -89.35809

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1000.0 ft (304.8 m)
Max Span88.9 ft (27.1 m)
Deck Width32.8 ft (10 m)
Deck Area3,048 sq m
Main Spans3
Year Built1952 (reconstructed 1989)

Traffic

Avg Daily Traffic1,990 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number49SR0880071

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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