US Bridges

HWY Winthrop ST over Water Chicken Brook

Fair

Norfolk County, Massachusetts · .3 MI N of RTE 109 · Structure no. M130082A5MUNNBI

Built
1957
68 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
8,500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Winthrop ST over Water Chicken Brook is a prestressed concrete slab carrying HWY Winthrop ST over Water Chicken Brook in Norfolk County, Massachusetts. It was built in 1957, so it is 68 years old, older than the Massachusetts average of 63.8 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 8,500 vehicles a day, roughly 6% of them trucks, projected to reach 14,372 by 2031. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Winthrop ST
CrossesWater Chicken Brook
Location.3 MI N of RTE 109
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.15209, -71.42598
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.4 US tons
Inventory rating59 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width36 ft (11.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2024)
Projected traffic14,372 by 2031
Trucks6%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$787,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Winthrop ST over Water Chicken Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Winthrop ST over Water Chicken 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 April 2024.

How much traffic does HWY Winthrop ST over Water Chicken Brook carry?

About 8,500 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY Winthrop ST over Water Chicken Brook?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns HWY Winthrop ST over Water Chicken Brook?

It is owned by the Town or Township Highway Agency.