Structure 200093003N03162 · Caledonia County, VT

I 00093 Ml over I 93 Over TH No 12

Carries I 00093 Ml over I 93 Over TH No 12, 2.9 Mi S Exit 1.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT113 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9Substructure 6/9 · sets the rating

113 ft end to end. Lengths and the car 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.

Built198244 years old
Length112.9 ft34.4 m
Daily traffic6,200counted 2018
Last inspectedJune 2024every 24 months

Location

StateVermont
CountyCaledonia
Location2.9 Mi S Exit 1
CarriesI 00093 Ml
CrossesI 93 Over TH No 12
Coordinates44.40174, -71.91860

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length112.9 ft (34.4 m)
Max Span109.9 ft (33.5 m)
Deck Width40.7 ft (12.4 m)
Deck Area426.6 sq m
Main Spans1
Year Built1982

Traffic

Avg Daily Traffic6,200 (2018)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number200093003N03162

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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