Structure 100404003004041 · Chittenden County, VT

C3014 over Laplatte River

Carries C3014 over Laplatte River, 0.52 Mi To Jct W Cl2 Th1.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

66 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.

Built1956rebuilt 2015
Length65.9 ft20.1 m
Daily traffic250counted 2015
Last inspectedOctober 2023every 24 months

Location

StateVermont
CountyChittenden
Location0.52 Mi To Jct W Cl2 Th1
CarriesC3014
CrossesLaplatte River
Coordinates44.34175, -73.18372

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length65.9 ft (20.1 m)
Max Span63.0 ft (19.2 m)
Deck Width15.4 ft (4.7 m)
Deck Area94.5 sq m
Main Spans1
Year Built1956 (reconstructed 2015)

Traffic

Avg Daily Traffic250 (2015)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100404003004041

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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