US Bridges

Suffield Street over Stony Brook

Fair

Hartford County, Connecticut · 2600 Feet from Austin St. · Structure no. 04566

Built
2011
14 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
99 ft
1 main span
Daily traffic
1,990
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Suffield Street over Stony Brook is a prestressed concrete box beam or girders - multiple carrying Suffield Street over Stony Brook in Hartford County, Connecticut. It was built in 2011, so it is 14 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,990 vehicles a day, roughly 2% of them trucks, projected to reach 2,957 by 2044. The structure is 99 ft (30.2 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSuffield Street
CrossesStony Brook
Location2600 Feet from Austin St.
RouteCity Street 0
Coordinates41.96595, -72.65467
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.4 US tons
Inventory rating66.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length99 ft (30.2 m)
Longest span96 ft (29.3 m)
Deck width35 ft (10.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2024)
Projected traffic2,957 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Suffield Street over Stony Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is Suffield Street over Stony Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Suffield Street over Stony Brook carry?

About 1,990 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Suffield Street over Stony Brook?

The structure is 99 ft (30.2 m) long with a longest span of 96 ft (29.3 m) and a deck 35 ft wide.

Who owns Suffield Street over Stony Brook?

It is owned by the Town or Township Highway Agency.