Structure 200093B01S03162 · Caledonia County, VT

I-93 SB over Connecticut River

Carries I-93 SB over Connecticut River, Vermont State Line.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT672 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

672 ft end to end, longest span 184 ft: about 1.9 football fields. 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.

Built1981rebuilt 2014
Length671.9 ft204.8 m
Daily traffic2,679counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateVermont
CountyCaledonia
LocationVermont State Line
CarriesI-93 SB
CrossesConnecticut River
Coordinates44.34279, -71.89108

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length671.9 ft (204.8 m)
Max Span184.1 ft (56.1 m)
Deck Width44.9 ft (13.7 m)
Deck Area2805.8 sq m
Main Spans4
Year Built1981 (reconstructed 2014)

Traffic

Avg Daily Traffic2,679 (2020)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number200093B01S03162

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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