US Bridges

HWY Washngton ST over Water Mother Brook

Fair

Norfolk County, Massachusetts · .5 Km. NE of US 1 · Structure no. D05008342DOTNBI

Built
1959
66 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
30,000
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Washngton ST over Water Mother Brook is a concrete continuous culvert carrying HWY Washngton ST over Water Mother Brook in Norfolk County, Massachusetts. It was built in 1959 and reconstructed in 2009, so it is 66 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 30,000 vehicles a day, roughly 1% of them trucks, projected to reach 62,856 by 2032. The structure is 33 ft (10.1 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY Washngton ST
CrossesWater Mother Brook
Location.5 Km. NE of US 1
RouteState Highway 1A
Coordinates42.25508, -71.16481
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width81 ft (24.7 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,000 (2023)
Projected traffic62,856 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Washngton ST over Water Mother Brook built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2009.

What condition is HWY Washngton ST over Water Mother 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 September 2023.

How much traffic does HWY Washngton ST over Water Mother Brook carry?

About 30,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is HWY Washngton ST over Water Mother Brook?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 81 ft wide.

Who owns HWY Washngton ST over Water Mother Brook?

It is owned by the Town or Township Highway Agency.