US Bridges

HWY Mill ST over Water Nissitissit River

Good

Middlesex County, Massachusetts · .2 MI North of ST-113 · Structure no. P06003BNYMUNNBI

Built
2012
13 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
3,600
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mill ST over Water Nissitissit River is a prestressed concrete box beam or girders - single or spread carrying HWY Mill ST over Water Nissitissit River in Middlesex County, Massachusetts. It was built in 2012, so it is 13 years old, younger than the Massachusetts average of 63.8 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 3,600 vehicles a day, roughly 4% of them trucks. The structure is 85 ft (25.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Mill ST
CrossesWater Nissitissit River
Location.2 MI North of ST-113
RouteCity Street 0
Coordinates42.67175, -71.57695
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length85 ft (25.8 m)
Longest span81 ft (24.7 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2014)
Projected traffic—
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill ST over Water Nissitissit River built?

It was built in 2012, making it 13 years old in 2025.

What condition is HWY Mill ST over Water Nissitissit 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 May 2024.

How much traffic does HWY Mill ST over Water Nissitissit River carry?

About 3,600 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is HWY Mill ST over Water Nissitissit River?

The structure is 85 ft (25.8 m) long with a longest span of 81 ft (24.7 m) and a deck 39 ft wide.

Who owns HWY Mill ST over Water Nissitissit River?

It is owned by the Town or Township Highway Agency.