Structure 655 · Hartford County, CT

Route 10 over Salmon Brook

Carries Route 10 over Salmon Brook, 0.7 Mile North Of Rte. 20.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

53 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 tee-beam bridge.

Built194284 years old
Length53.1 ft16.2 m
Daily traffic7,800counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateConnecticut
CountyHartford
Location0.7 Mile North Of Rte. 20
CarriesRoute 10
CrossesSalmon Brook
Coordinates41.96382, -72.79073

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length53.1 ft (16.2 m)
Max Span49.9 ft (15.2 m)
Deck Width45.3 ft (13.8 m)
Deck Area223.6 sq m
Main Spans1
Year Built1942

Traffic

Avg Daily Traffic7,800 (2022)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number00655

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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