Structure 20009124-213142 · Windham County, VT

I 00091 Ml over I 91 Over TH No 22

Carries I 00091 Ml over I 91 Over TH No 22, 2.8 Mi N Exit 6.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
21 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

21 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built196561 years old
Length21.0 ft6.4 m
Daily traffic15,000counted 2018
Last inspectedMay 2024every 24 months

Location

StateVermont
CountyWindham
Location2.8 Mi N Exit 6
CarriesI 00091 Ml
CrossesI 91 Over TH No 22
Coordinates43.21726, -72.45429

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length21.0 ft (6.4 m)
Max Span21.0 ft (6.4 m)
Deck Width38.1 ft (11.6 m)
Deck Area74.2 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic15,000 (2018)
Truck Traffic13%
Lanes On Bridge4
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 CriticalNot applicable
Structure Number20009124-213142

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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