Structure 73S24010001 · Roane County, TN

Fau 1226 (sa 7310) over Emory River

Carries Fau 1226 (sa 7310) over Emory River, In Harriman - E Of US 27.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT790 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

790 ft end to end, longest span 120 ft: about 2.2 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.

Built199234 years old
Length790.0 ft240.8 m
Daily traffic7,216counted 2021
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyRoane
LocationIn Harriman - E Of US 27
CarriesFau 1226 (sa 7310)
CrossesEmory River
Coordinates35.92863, -84.55115

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length790.0 ft (240.8 m)
Max Span120.1 ft (36.6 m)
Deck Width43.0 ft (13.1 m)
Deck Area3154.5 sq m
Main Spans7
Year Built1992

Traffic

Avg Daily Traffic7,216 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number73S24010001

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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