US Bridges

HWY Mt Warner RD over Water Mill River

Good

Hampshire County, Massachusetts · N.Hadley @ Lake Warner · Structure no. H01002AXWMUNNBI

Built
2002
23 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
660
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mt Warner RD over Water Mill River is a steel stringer/multi-beam or girder carrying HWY Mt Warner RD over Water Mill River in Hampshire County, Massachusetts. It was built in 2002, so it is 23 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 660 vehicles a day, roughly 6% of them trucks, projected to reach 1,042 by 2032. The structure is 85 ft (25.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Mt Warner RD
CrossesWater Mill River
LocationN.Hadley @ Lake Warner
RouteCity Street 0
Coordinates42.38581, -72.58117
Functional classRural Major Collector

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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span81 ft (24.8 m)
Deck width31 ft (9.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2017)
Projected traffic1,042 by 2032
Trucks6%
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

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$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mt Warner RD over Water Mill River built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY Mt Warner RD 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 December 2023.

How much traffic does HWY Mt Warner RD over Water Mill River carry?

About 660 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY Mt Warner RD over Water Mill River?

The structure is 85 ft (25.8 m) long with a longest span of 81 ft (24.8 m) and a deck 31 ft wide.

Who owns HWY Mt Warner RD over Water Mill River?

It is owned by the Town or Township Highway Agency.