US Bridges

HWY Houghton ST over Water Assabet River

Good

Middlesex County, Massachusetts · .2MI. S. of ST-62 · Structure no. H25004B7EMUNNBI

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
84 ft
2 main spans
Daily traffic
1,500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Houghton ST over Water Assabet River is a prestressed concrete box beam or girders - single or spread carrying HWY Houghton ST over Water Assabet River in Middlesex County, Massachusetts. It was built in 2014, so it is 11 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 1,500 vehicles a day, roughly 26% of them trucks. The structure is 84 ft (25.6 m) long and 27 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY Houghton ST
CrossesWater Assabet River
Location.2MI. S. of ST-62
RouteCity Street 0
Coordinates42.38903, -71.56622
Functional classUrban Collector

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 inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2024)
Projected traffic—
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$3.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Houghton ST over Water Assabet River built?

It was built in 2014, making it 11 years old in 2025.

What condition is HWY Houghton ST over Water Assabet 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 October 2024.

How much traffic does HWY Houghton ST over Water Assabet River carry?

About 1,500 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is HWY Houghton ST over Water Assabet River?

The structure is 84 ft (25.6 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns HWY Houghton ST over Water Assabet River?

It is owned by the Town or Township Highway Agency.