Structure 4562 · Hartford County, CT

Spring Street over Quinnipiac River

Carries Spring Street over Quinnipiac River, 0.6 Mi W. Of Route 10.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

72 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
Length71.5 ft21.8 m
Daily traffic4,187counted 2024
Last inspectedOctober 2024every 24 months

Location

StateConnecticut
CountyHartford
Location0.6 Mi W. Of Route 10
CarriesSpring Street
CrossesQuinnipiac River
Coordinates41.63024, -72.88319

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length71.5 ft (21.8 m)
Max Span69.9 ft (21.3 m)
Deck Width45.6 ft (13.9 m)
Deck Area303.0 sq m
Main Spans1
Year Built2022

Traffic

Avg Daily Traffic4,187 (2024)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number04562

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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