Structure 100116000601161 · Addison County, VT

C3025 over S. Br. Middlebury Riv.

Carries C3025 over S. Br. Middlebury Riv., 0.01 Mi To Jct Vt125.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

33 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.

Built1970rebuilt 2014
Length33.1 ft10.1 m
Daily traffic20counted 2017
Last inspectedAugust 2024every 24 months

Location

StateVermont
CountyAddison
Location0.01 Mi To Jct Vt125
CarriesC3025
CrossesS. Br. Middlebury Riv.
Coordinates43.96744, -73.03063

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length33.1 ft (10.1 m)
Max Span28.9 ft (8.8 m)
Deck Width16.1 ft (4.9 m)
Deck Area49.5 sq m
Main Spans1
Year Built1970 (reconstructed 2014)

Traffic

Avg Daily Traffic20 (2017)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number100116000601161

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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