Structure 2012030D3912031 · Washington County, VT

Tr 0th18 over TH No 18 Over I 89

Carries Tr 0th18 over TH No 18 Over I 89, 0.5 Mi N Exit 7.

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
SEMI-TRUCK · 72 FT230 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

230 ft end to end, longest span 115 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.

Built197056 years old
Length230.0 ft70.1 m
Daily traffic380counted 2019
Last inspectedMay 2024every 24 months

Location

StateVermont
CountyWashington
Location0.5 Mi N Exit 7
CarriesTr 0th18
CrossesTH No 18 Over I 89
Coordinates44.22271, -72.58525

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length230.0 ft (70.1 m)
Max Span115.2 ft (35.1 m)
Deck Width29.5 ft (9 m)
Deck Area630.9 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic380 (2019)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number2012030D3912031

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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