Structure 200241006112132 · Washington County, VT

Vt 00012 Ml over Dog River

Carries Vt 00012 Ml over Dog River, 1.9 Mi N Jct. Vt.12a S.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT170 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

170 ft end to end, longest span 84 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.

Built197749 years old
Length169.9 ft51.8 m
Daily traffic4,200counted 2018
Last inspectedAugust 2023every 24 months

Location

StateVermont
CountyWashington
Location1.9 Mi N Jct. Vt.12a S
CarriesVt 00012 Ml
CrossesDog River
Coordinates44.16121, -72.65657

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length169.9 ft (51.8 m)
Max Span84.0 ft (25.6 m)
Deck Width47.6 ft (14.5 m)
Deck Area751.1 sq m
Main Spans2
Year Built1977

Traffic

Avg Daily Traffic4,200 (2018)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200241006112132

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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