Structure 18647 · Tazewell County, VA

Route 678 over Routes 19/460

Carries Route 678 over Routes 19/460, .0mto6545&.7mtotazcitylim.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT202 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

202 ft end to end, longest span 134 ft: about 3 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.

Built1975rebuilt 1993
Length202.1 ft61.6 m
Daily traffic2,023counted 2022
Last inspectedMay 2024every 24 months

Location

StateVirginia
CountyTazewell
Location.0mto6545&.7mtotazcitylim
CarriesRoute 678
CrossesRoutes 19/460
Coordinates37.14811, -81.49091

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length202.1 ft (61.6 m)
Max Span133.9 ft (40.8 m)
Deck Width32.8 ft (10 m)
Deck Area616 sq m
Main Spans3
Year Built1975 (reconstructed 1993)

Traffic

Avg Daily Traffic2,023 (2022)
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000018647

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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