US Bridges

HWY Wetherbee ST over Water Nashoba Brook

Good

Middlesex County, Massachusetts · 500 Ft S of Rt 2A · Structure no. A02011257MUNNBI

Built
1997
28 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
48 ft
3 main spans
Daily traffic
2,586
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Wetherbee ST over Water Nashoba Brook is a concrete culvert carrying HWY Wetherbee ST over Water Nashoba Brook in Middlesex County, Massachusetts. It was built in 1997, so it is 28 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 2,586 vehicles a day, projected to reach 1,642 by 2033. The structure is 48 ft (14.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Wetherbee ST
CrossesWater Nashoba Brook
Location500 Ft S of Rt 2A
RouteCity Street 0
Coordinates42.47515, -71.41089
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.7 US tons
Inventory rating39.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,586 (2024)
Projected traffic1,642 by 2033
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Wetherbee ST over Water Nashoba Brook built?

It was built in 1997, making it 28 years old in 2025.

What condition is HWY Wetherbee ST over Water Nashoba Brook 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 January 2024.

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

About 2,586 vehicles per day (2024 count).

How long is HWY Wetherbee ST over Water Nashoba Brook?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns HWY Wetherbee ST over Water Nashoba Brook?

It is owned by the Town or Township Highway Agency.