US Bridges

SR 571 over Willow Brook

Fair

Hartford County, Connecticut · .4 Mile West of JCT RTE 9 · Structure no. 01101

Built
1962
63 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

SR 571 over Willow Brook is a concrete continuous culvert carrying SR 571 over Willow Brook in Hartford County, Connecticut. It was built in 1962, so it is 63 years old, older 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 8,300 vehicles a day, roughly 3% of them trucks, projected to reach 12,333 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 571
CrossesWillow Brook
Location.4 Mile West of JCT RTE 9
RouteState Highway 571
Coordinates41.64666, -72.76929
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic12,333 by 2042
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 571 over Willow Brook built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR 571 over Willow 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 December 2023.

How much traffic does SR 571 over Willow Brook carry?

About 8,300 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR 571 over Willow Brook?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns SR 571 over Willow Brook?

It is owned by the State Highway Agency.