Structure 200284002404112 · Chittenden County, VT

US 00002 Ml over Winooski River

Carries US 00002 Ml over Winooski River, 0.2 Mi W Jct. Vt.117.

Overall conditionFair

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT356 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 8/9

356 ft end to end: about 5 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 through truss.

Built1929rebuilt 2013
Length356.0 ft108.5 m
Daily traffic3,200counted 2018
Last inspectedMay 2023every 24 months

Location

StateVermont
CountyChittenden
Location0.2 Mi W Jct. Vt.117
CarriesUS 00002 Ml
CrossesWinooski River
Coordinates44.42339, -73.01668

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length356.0 ft (108.5 m)
Max Span350.1 ft (106.7 m)
Deck Width33.1 ft (10.1 m)
Deck Area1095.8 sq m
Main Spans1
Year Built1929 (reconstructed 2013)

Traffic

Avg Daily Traffic3,200 (2018)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical8 — Stable, low risk
Structure Number200284002404112

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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