Structure 1489 · Hartford County, CT

Route 178 over Beaman Brook

Carries Route 178 over Beaman Brook, 1.2 Mi East Of Route 189.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
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 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

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 multi-beam bridge.

Built20224 years old
Length46.9 ft14.3 m
Daily traffic7,800counted 2022
Last inspectedNovember 2022every 24 months

Location

StateConnecticut
CountyHartford
Location1.2 Mi East Of Route 189
CarriesRoute 178
CrossesBeaman Brook
Coordinates41.82399, -72.72030

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length46.9 ft (14.3 m)
Max Span43.0 ft (13.1 m)
Deck Width48.2 ft (14.7 m)
Deck Area210.2 sq m
Main Spans1
Year Built2022

Traffic

Avg Daily Traffic7,800 (2022)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number01489

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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