Structure 163A · New Haven County, CT

Interstate-95 over West River & SR 745

Carries Interstate-95 over West River & SR 745, 0.5 Mi S Of RT 10.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,032 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,032 ft end to end, longest span 203 ft: about 2.9 football fields. 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.

Built20188 years old
Length1032.5 ft314.7 m
Daily traffic142,200counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateConnecticut
CountyNew Haven
Location0.5 Mi S Of RT 10
CarriesInterstate-95
CrossesWest River & SR 745
Coordinates41.28357, -72.93921

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length1032.5 ft (314.7 m)
Max Span203.4 ft (62 m)
Deck Width135.5 ft (41.3 m)
Deck Area12997.1 sq m
Main Spans6
Year Built2018

Traffic

Avg Daily Traffic142,200 (2023)
Truck Traffic14%
Lanes On Bridge7
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 Critical8 — Stable, low risk
Structure Number00163A

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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