Structure 200091057N09012 · Orange County, VT

I 00091 Ml over I 91 Over TH No 38

Carries I 00091 Ml over I 91 Over TH No 38, 0.7 Mi S Exit 16.

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
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

25 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 slab bridge.

Built197155 years old
Length24.9 ft7.6 m
Daily traffic8,300counted 2018
Last inspectedMay 2024every 24 months

Location

StateVermont
CountyOrange
Location0.7 Mi S Exit 16
CarriesI 00091 Ml
CrossesI 91 Over TH No 38
Coordinates43.97597, -72.12544

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length24.9 ft (7.6 m)
Max Span24.9 ft (7.6 m)
Deck Width76.1 ft (23.2 m)
Deck Area176.3 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic8,300 (2018)
Truck Traffic13%
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 CriticalNot applicable
Structure Number200091057N09012

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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