Structure 5401 · New London County, CT

Route 82 over Swamp Brook

Carries Route 82 over Swamp Brook, 0.8 Mi W Of Route 11.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

38 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.

Built20215 years old
Length38.1 ft11.6 m
Daily traffic3,400counted 2021
Last inspectedNovember 2023every 24 months

Location

StateConnecticut
CountyNew London
Location0.8 Mi W Of Route 11
CarriesRoute 82
CrossesSwamp Brook
Coordinates41.46182, -72.29234

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length38.1 ft (11.6 m)
Max Span33.5 ft (10.2 m)
Deck Width37.7 ft (11.5 m)
Deck Area133.4 sq m
Main Spans1
Year Built2021

Traffic

Avg Daily Traffic3,400 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number05401

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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