Structure 3967 · New London County, CT

New London Tpke over Trading Cove Brook

Carries New London Tpke over Trading Cove Brook, 0.2 Mi N Of Route 32.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

47 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 slab bridge.

Built196561 years old
Length46.9 ft14.3 m
Daily traffic9,964counted 2023
Last inspectedApril 2023every 24 months

Location

StateConnecticut
CountyNew London
Location0.2 Mi N Of Route 32
CarriesNew London Tpke
CrossesTrading Cove Brook
Coordinates41.49804, -72.10213

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length46.9 ft (14.3 m)
Max Span44.9 ft (13.7 m)
Deck Width39.4 ft (12 m)
Deck Area171.6 sq m
Main Spans1
Year Built1965

Traffic

Avg Daily Traffic9,964 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number03967

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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