US Bridges

Stillwell Drive over Quinnipiac River

Good

Hartford County, Connecticut · 0.6 Mi. South of Route 10 · Structure no. 04545

Built
2013
12 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
2,000
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Stillwell Drive over Quinnipiac River is a concrete culvert carrying Stillwell Drive over Quinnipiac River in Hartford County, Connecticut. It was built in 2013, so it is 12 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,000 vehicles a day, roughly 2% of them trucks, projected to reach 2,972 by 2042. The structure is 39 ft (11.9 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStillwell Drive
CrossesQuinnipiac River
Location0.6 Mi. South of Route 10
RouteCity Street 0
Coordinates41.65677, -72.85972
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width70 ft (21.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic2,972 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Stillwell Drive over Quinnipiac River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Stillwell Drive over Quinnipiac River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does Stillwell Drive over Quinnipiac River carry?

About 2,000 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Stillwell Drive over Quinnipiac River?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 70 ft wide.

Who owns Stillwell Drive over Quinnipiac River?

It is owned by the Town or Township Highway Agency.