Structure 956 · Fairfield County, CT

Interstate 84 over Route 37 (north Street)

Carries Interstate 84 over Route 37 (north Street), Jct Of RT 37.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT114 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

114 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.

Built196066 years old
Length113.8 ft34.7 m
Daily traffic99,000counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateConnecticut
CountyFairfield
LocationJct Of RT 37
CarriesInterstate 84
CrossesRoute 37 (north Street)
Coordinates41.40984, -73.45535

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length113.8 ft (34.7 m)
Max Span106.0 ft (32.3 m)
Deck Width127.6 ft (38.9 m)
Deck Area1349.8 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic99,000 (2022)
Truck Traffic9%
Lanes On Bridge6
Lanes Under Bridge5

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00956

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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