US Bridges

ST 37 Washngton ST over Water Monatiquot River

Fair

Norfolk County, Massachusetts · ST 37 at Plain ST · Structure no. B2101634GDOTNBI

Built
1924
101 years old, rebuilt 1982
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
29,700
2024 count
Owner
State
State Highway Agency

About this bridge

ST 37 Washngton ST over Water Monatiquot River is a prestressed concrete slab carrying ST 37 Washngton ST over Water Monatiquot River in Norfolk County, Massachusetts. It was built in 1924 and reconstructed in 1982, so it is 101 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 29,700 vehicles a day, roughly 4% of them trucks, projected to reach 71,700 by 2031. The structure is 48 ft (14.6 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 37 Washngton ST
CrossesWater Monatiquot River
LocationST 37 at Plain ST
RouteState Highway 37
Coordinates42.19584, -71.00524
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width75 ft (22.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2024)
Projected traffic71,700 by 2031
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 37 Washngton ST over Water Monatiquot River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1982.

What condition is ST 37 Washngton ST over Water Monatiquot River 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 October 2024.

How much traffic does ST 37 Washngton ST over Water Monatiquot River carry?

About 29,700 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is ST 37 Washngton ST over Water Monatiquot River?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 75 ft wide.

Who owns ST 37 Washngton ST over Water Monatiquot River?

It is owned by the State Highway Agency.