Structure 200013016912172 · Washington County, VT

Vt 00100 Ml over Mad River

Carries Vt 00100 Ml over Mad River, 5.7 Mi S Jct. Vt.17.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT163 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

163 ft end to end, longest span 81 ft: about 2 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.

Built1954rebuilt 2002
Length163.1 ft49.7 m
Daily traffic1,700counted 2018
Last inspectedSeptember 2023every 24 months

Location

StateVermont
CountyWashington
Location5.7 Mi S Jct. Vt.17
CarriesVt 00100 Ml
CrossesMad River
Coordinates44.10629, -72.85982

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length163.1 ft (49.7 m)
Max Span81.0 ft (24.7 m)
Deck Width35.8 ft (10.9 m)
Deck Area541.7 sq m
Main Spans3
Year Built1954 (reconstructed 2002)

Traffic

Avg Daily Traffic1,700 (2018)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200013016912172

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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