Structure 448 · Hartford County, CT

Route 15 SB over Route 314 - Berlin Tnpk.

Carries Route 15 SB over Route 314 - Berlin Tnpk., Jct Of 15 And Berlin Tnpk.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT158 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 5/9

158 ft end to end, longest span 72 ft: about 2 semi-trucks nose to tail. 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 rigid-frame bridge.

Built1942rebuilt 1987
Length158.1 ft48.2 m
Daily traffic16,000counted 2022
Last inspectedAugust 2024every 24 months

Location

StateConnecticut
CountyHartford
LocationJct Of 15 And Berlin Tnpk
CarriesRoute 15 SB
CrossesRoute 314 - Berlin Tnpk.
Coordinates41.71229, -72.69835

Physical Characteristics

MaterialSteel Continuous
DesignFrame
Total Length158.1 ft (48.2 m)
Max Span71.9 ft (21.9 m)
Deck Width40.7 ft (12.4 m)
Deck Area597.7 sq m
Main Spans2
Year Built1942 (reconstructed 1987)

Traffic

Avg Daily Traffic16,000 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge3

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number00448

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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