Structure 1758 · Hartford County, CT

Prospect Avenue over Interstate 84

Carries Prospect Avenue over Interstate 84, 0.33 Mi E Of Oakwood AVE.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT228 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

228 ft end to end, longest span 131 ft: about 3 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 multi-beam bridge.

Built1965rebuilt 2015
Length228.0 ft69.5 m
Daily traffic9,800counted 2021
Last inspectedDecember 2023every 24 months

Location

StateConnecticut
CountyHartford
Location0.33 Mi E Of Oakwood AVE
CarriesProspect Avenue
CrossesInterstate 84
Coordinates41.74991, -72.71513

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length228.0 ft (69.5 m)
Max Span130.9 ft (39.9 m)
Deck Width62.7 ft (19.1 m)
Deck Area1327.5 sq m
Main Spans2
Year Built1965 (reconstructed 2015)

Traffic

Avg Daily Traffic9,800 (2021)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge7

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number01758

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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