Structure 101207002212071 · Washington County, VT

C3030 over Winooski River

Carries C3030 over Winooski River, 0.6 Mi To Jct W Us2.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

73 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.

Built1851rebuilt 1973
Length73.2 ft22.3 m
Daily traffic150counted 2019
Last inspectedSeptember 2023every 24 months

Location

StateVermont
CountyWashington
Location0.6 Mi To Jct W Us2
CarriesC3030
CrossesWinooski River
Coordinates44.28083, -72.45425

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length73.2 ft (22.3 m)
Max Span64.0 ft (19.5 m)
Deck Width13.1 ft (4 m)
Deck Area89.2 sq m
Main Spans1
Year Built1851 (reconstructed 1973)

Traffic

Avg Daily Traffic150 (2019)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour CriticalUnknown
Structure Number101207002212071

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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