US Bridges

HWY Brook ST over Water Nashoba Brook

Fair

Middlesex County, Massachusetts · .25 Mi. W of Rte. 2A · Structure no. A0200923YMUNNBI

Built
1938
87 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
26 ft
2 main spans
Daily traffic
7,200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Brook ST over Water Nashoba Brook is a steel culvert carrying HWY Brook ST over Water Nashoba Brook in Middlesex County, Massachusetts. It was built in 1938, so it is 87 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 7,200 vehicles a day, roughly 8% of them trucks, projected to reach 12,729 by 2032. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Brook ST
CrossesWater Nashoba Brook
Location.25 Mi. W of Rte. 2A
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.49398, -71.42014
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating109.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span11 ft (3.3 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic12,729 by 2032
Trucks8%
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$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Brook ST over Water Nashoba Brook built?

It was built in 1938, making it 87 years old in 2025.

What condition is HWY Brook ST over Water Nashoba 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 December 2023.

How much traffic does HWY Brook ST over Water Nashoba Brook carry?

About 7,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is HWY Brook ST over Water Nashoba Brook?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m) and a deck 36 ft wide.

Who owns HWY Brook ST over Water Nashoba Brook?

It is owned by the Town or Township Highway Agency.