US Bridges

South Grand ST #1 over Stony Brook

Fair

Hartford County, Connecticut · 1 1/4 MI So of Rt 187&526 · Structure no. 05295

Built
2001
24 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
644
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

South Grand ST #1 over Stony Brook is a prestressed concrete slab carrying South Grand ST #1 over Stony Brook in Hartford County, Connecticut. It was built in 2001, so it is 24 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 644 vehicles a day, roughly 7% of them trucks, projected to reach 957 by 2044. The structure is 40 ft (12.2 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSouth Grand ST #1
CrossesStony Brook
Location1 1/4 MI So of Rt 187&526
RouteCity Street 0
Coordinates41.96091, -72.7104
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic644 (2024)
Projected traffic957 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 South Grand ST #1 over Stony Brook built?

It was built in 2001, making it 24 years old in 2025.

What condition is South Grand ST #1 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 South Grand ST #1 over Stony Brook carry?

About 644 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is South Grand ST #1 over Stony Brook?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns South Grand ST #1 over Stony Brook?

It is owned by the Town or Township Highway Agency.