US Bridges

HWY Concord RD over Water Nashoba Brook

Fair

Middlesex County, Massachusetts · .1 MI W of RTE 2A · Structure no. A02018240MUNNBI

Built
1994
31 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
5,000
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Concord RD over Water Nashoba Brook is a concrete culvert carrying HWY Concord RD over Water Nashoba Brook in Middlesex County, Massachusetts. It was built in 1994, so it is 31 years old, younger 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 5,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,161 by 2032. The structure is 20 ft (6.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Concord RD
CrossesWater Nashoba Brook
Location.1 MI W of RTE 2A
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.47798, -71.41496
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span9 ft (2.7 m)
Deck width35 ft (10.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic12,161 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$994,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Concord RD over Water Nashoba Brook built?

It was built in 1994, making it 31 years old in 2025.

What condition is HWY Concord RD 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 March 2025.

How much traffic does HWY Concord RD over Water Nashoba Brook carry?

About 5,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is HWY Concord RD over Water Nashoba Brook?

The structure is 20 ft (6.1 m) long with a longest span of 9 ft (2.7 m) and a deck 35 ft wide.

Who owns HWY Concord RD over Water Nashoba Brook?

It is owned by the Town or Township Highway Agency.