Structure 200089077S04052 · Chittenden County, VT

I 00089 Ml over Malletts Creek

Carries I 00089 Ml over Malletts Creek, 1.3 Mi S Exit 17.

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
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT187 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 7/9

187 ft end to end, longest span 85 ft: about 3 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.

Built1964rebuilt 2019
Length187.0 ft57 m
Daily traffic32,600counted 2018
Last inspectedJune 2024every 24 months

Location

StateVermont
CountyChittenden
Location1.3 Mi S Exit 17
CarriesI 00089 Ml
CrossesMalletts Creek
Coordinates44.57175, -73.17802

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length187.0 ft (57 m)
Max Span85.0 ft (25.9 m)
Deck Width34.8 ft (10.6 m)
Deck Area604.2 sq m
Main Spans3
Year Built1964 (reconstructed 2019)

Traffic

Avg Daily Traffic32,600 (2018)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number200089077S04052

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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