Structure 1343 · Fairfield County, CT

Route 133 over Housatonic River

Carries Route 133 over Housatonic River, Bridgewater/brookfield Tn.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT851 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 6/9

851 ft end to end, longest span 208 ft: about 2.4 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 through truss.

Built1954rebuilt 2020
Length851.0 ft259.4 m
Daily traffic5,100counted 2023
Last inspectedApril 2023every 24 months

Location

StateConnecticut
CountyFairfield
LocationBridgewater/brookfield Tn
CarriesRoute 133
CrossesHousatonic River
Coordinates41.47955, -73.35068

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length851.0 ft (259.4 m)
Max Span208.0 ft (63.4 m)
Deck Width32.8 ft (10 m)
Deck Area2,594 sq m
Main Spans4
Year Built1954 (reconstructed 2020)

Traffic

Avg Daily Traffic5,100 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number01343

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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