US Bridges

HWY Mill ST over Water Margaret Brook

Fair

Hampden County, Massachusetts · 0.18 MI W of Rt 32 · Structure no. M27050174MUNNBI

Built
1956
69 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
1,700
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mill ST over Water Margaret Brook is a prestressed concrete slab carrying HWY Mill ST over Water Margaret Brook in Hampden County, Massachusetts. It was built in 1956, so it is 69 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 5 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 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 1,579 by 2033. The structure is 31 ft (9.5 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Mill ST
CrossesWater Margaret Brook
Location0.18 MI W of Rt 32
RouteCity Street 0
CountyHampden County
StateMassachusetts
Coordinates42.10836, -72.32034
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.9 US tons
Inventory rating52 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length31 ft (9.5 m)
Longest span30 ft (9.1 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic1,579 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$946,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill ST over Water Margaret Brook built?

It was built in 1956, making it 69 years old in 2025.

What condition is HWY Mill ST over Water Margaret 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 March 2024.

How much traffic does HWY Mill ST over Water Margaret Brook carry?

About 1,700 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is HWY Mill ST over Water Margaret Brook?

The structure is 31 ft (9.5 m) long with a longest span of 30 ft (9.1 m) and a deck 32 ft wide.

Who owns HWY Mill ST over Water Margaret Brook?

It is owned by the Town or Township Highway Agency.