Structure 200091021N13202 · Windham County, VT

I 00091 Ml over I 91 Over TH 1 Saxton

Carries I 00091 Ml over I 91 Over TH 1 Saxton, 2.4 Mi N Exit 5.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT534 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

534 ft end to end, longest span 85 ft: about 7 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.

Built1963rebuilt 2024
Length534.1 ft162.8 m
Daily traffic13,200counted 2018
Last inspectedDecember 2024every 24 months

Location

StateVermont
CountyWindham
Location2.4 Mi N Exit 5
CarriesI 00091 Ml
CrossesI 91 Over TH 1 Saxton
Coordinates43.12328, -72.46771

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length534.1 ft (162.8 m)
Max Span85.0 ft (25.9 m)
Deck Width35.1 ft (10.7 m)
Deck Area1742.0 sq m
Main Spans7
Year Built1963 (reconstructed 2024)

Traffic

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

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200091021N13202

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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