US Bridges

HWY Mountain DR over Water Mill River

Good

Hampshire County, Massachusetts · 0.2 MI W of Rt 5 · Structure no. H110240QMMUNNBI

Built
1959
66 years old, rebuilt 1962
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
89 ft
4 main spans
Daily traffic
775
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mountain DR over Water Mill River is a concrete continuous culvert carrying HWY Mountain DR over Water Mill River in Hampshire County, Massachusetts. It was built in 1959 and reconstructed in 1962, 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 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 775 vehicles a day, roughly 6% of them trucks, projected to reach 816 by 2032. The structure is 89 ft (27.1 m) long and 84 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Mountain DR
CrossesWater Mill River
Location0.2 MI W of Rt 5
RouteCity Street 0
Coordinates42.41114, -72.62688
Functional classRural Minor Collector

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 20
Structure length89 ft (27.1 m)
Longest span20 ft (6.2 m)
Deck width84 ft (25.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2017)
Projected traffic816 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mountain DR over Water Mill River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1962.

What condition is HWY Mountain DR 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 2023.

How much traffic does HWY Mountain DR over Water Mill River carry?

About 775 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY Mountain DR over Water Mill River?

The structure is 89 ft (27.1 m) long with a longest span of 20 ft (6.2 m) and a deck 84 ft wide.

Who owns HWY Mountain DR over Water Mill River?

It is owned by the Town or Township Highway Agency.