US Bridges

ST225 W Main ST over Water Nashua River

Fair

Middlesex County, Massachusetts · 0.8 MI W Rt 111 · Structure no. G1400328GDOTNBI

Built
1930
95 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
94 ft
2 main spans
Daily traffic
4,648
2023 count
Owner
State
State Highway Agency

About this bridge

ST225 W Main ST over Water Nashua River is a concrete continuous tee beam carrying ST225 W Main ST over Water Nashua River in Middlesex County, Massachusetts. It was built in 1930, so it is 95 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 4,648 vehicles a day, roughly 7% of them trucks, projected to reach 16,425 by 2031. The structure is 94 ft (28.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST225 W Main ST
CrossesWater Nashua River
Location0.8 MI W Rt 111
RouteState Highway 225
CountyMiddlesex County
StateMassachusetts
Coordinates42.60576, -71.59851
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length94 ft (28.7 m)
Longest span44 ft (13.4 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,648 (2023)
Projected traffic16,425 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST225 W Main ST over Water Nashua River built?

It was built in 1930, making it 95 years old in 2025.

What condition is ST225 W Main ST over Water Nashua River 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 June 2024.

How much traffic does ST225 W Main ST over Water Nashua River carry?

About 4,648 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is ST225 W Main ST over Water Nashua River?

The structure is 94 ft (28.7 m) long with a longest span of 44 ft (13.4 m) and a deck 34 ft wide.

Who owns ST225 W Main ST over Water Nashua River?

It is owned by the State Highway Agency.