Structure 164 · Litchfield County, CT

Interstate-95 over Route 10

Carries Interstate-95 over Route 10, 1.5 Miles South Of I-91.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT113 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

113 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.

Built1957rebuilt 2015
Length112.5 ft34.3 m
Daily traffic132,600counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateConnecticut
CountyLitchfield
Location1.5 Miles South Of I-91
CarriesInterstate-95
CrossesRoute 10
Coordinates41.28397, -72.93455

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length112.5 ft (34.3 m)
Max Span105.3 ft (32.1 m)
Deck Width135.5 ft (41.3 m)
Deck Area1416.6 sq m
Main Spans1
Year Built1957 (reconstructed 2015)

Traffic

Avg Daily Traffic132,600 (2023)
Truck Traffic14%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00164

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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