Structure 37026040003 · Hawkins County, TN

Nfa 2604 (sa 3723) over Holston River

Carries Nfa 2604 (sa 3723) over Holston River, In Surgoinsville-s Of 11w.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT520 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

520 ft end to end, longest span 208 ft: about 7 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.

Built201412 years old
Length520.0 ft158.5 m
Daily traffic919counted 2021
Last inspectedJune 2023every 24 months

Location

StateTennessee
CountyHawkins
LocationIn Surgoinsville-s Of 11w
CarriesNfa 2604 (sa 3723)
CrossesHolston River
Coordinates36.46865, -82.84901

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length520.0 ft (158.5 m)
Max Span208.0 ft (63.4 m)
Deck Width35.1 ft (10.7 m)
Deck Area1696.0 sq m
Main Spans3
Year Built2014

Traffic

Avg Daily Traffic919 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number37026040003

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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