Structure 100418000104181 · Chittenden County, VT

C30we over New England Central Rr

Carries C30we over New England Central Rr, 0.05 Mi To Jct W Allen ST.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT56 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

56 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 deck arch.

Built1916110 years old
Length56.1 ft17.1 m
Daily traffic750counted 2019
Last inspectedSeptember 2023every 24 months

Location

StateVermont
CountyChittenden
Location0.05 Mi To Jct W Allen ST
CarriesC30we
CrossesNew England Central Rr
Coordinates44.49205, -73.18802

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length56.1 ft (17.1 m)
Max Span38.1 ft (11.6 m)
Deck Width55.8 ft (17 m)
Deck Area290.7 sq m
Main Spans1
Year Built1916

Traffic

Avg Daily Traffic750 (2019)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number100418000104181

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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