US Bridges

HWY Mulberry ST over Water Mill River

Good

Hampshire County, Massachusetts · At Mill River · Structure no. N190280MFMUNNBI

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
83 ft
1 main span
Daily traffic
5,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Mulberry ST over Water Mill River is a steel stringer/multi-beam or girder carrying HWY Mulberry ST over Water Mill River in Hampshire County, Massachusetts. It was built in 1991, so it is 34 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 5,000 vehicles a day, roughly 3% of them trucks, projected to reach 8,576 by 2031. The structure is 83 ft (25.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Mulberry ST
CrossesWater Mill River
LocationAt Mill River
RouteCity Street 0
Coordinates42.35399, -72.70095
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.1 US tons
Inventory rating24 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.4 m)
Longest span80 ft (24.4 m)
Deck width38 ft (11.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2024)
Projected traffic8,576 by 2031
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mulberry ST over Water Mill River built?

It was built in 1991, making it 34 years old in 2025.

What condition is HWY Mulberry ST over Water Mill River 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 June 2024.

How much traffic does HWY Mulberry ST over Water Mill River carry?

About 5,000 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is HWY Mulberry ST over Water Mill River?

The structure is 83 ft (25.4 m) long with a longest span of 80 ft (24.4 m) and a deck 38 ft wide.

Who owns HWY Mulberry ST over Water Mill River?

It is owned by the City or Municipal Highway Agency.