Structure 200091006N13022 · Windham County, VT

I 00091 Ml over I 91 Over Williams ST

Carries I 00091 Ml over I 91 Over Williams ST, 0.2 Mi S Exit 2.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT388 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

388 ft end to end, longest span 240 ft: about 5 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.

Built201214 years old
Length388.1 ft118.3 m
Daily traffic19,400counted 2018
Last inspectedMay 2024every 24 months

Location

StateVermont
CountyWindham
Location0.2 Mi S Exit 2
CarriesI 00091 Ml
CrossesI 91 Over Williams ST
Coordinates42.84885, -72.57838

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length388.1 ft (118.3 m)
Max Span240.2 ft (73.2 m)
Deck Width41.0 ft (12.5 m)
Deck Area1478.8 sq m
Main Spans2
Year Built2012

Traffic

Avg Daily Traffic19,400 (2018)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200091006N13022

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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