US Bridges

HWY Mill ST over Water Housatonic River

Fair

Berkshire County, Massachusetts · At Int. W/ Crystal Street · Structure no. L07004017MUNNBI

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
1 main span
Daily traffic
2,872
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mill ST over Water Housatonic River is a steel stringer/multi-beam or girder carrying HWY Mill ST over Water Housatonic River in Berkshire County, Massachusetts. It was built in 1973, so it is 52 years old, younger 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 2,872 vehicles a day, roughly 6% of them trucks, projected to reach 4,106 by 2032. The structure is 109 ft (33.2 m) long and 53 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesHWY Mill ST
CrossesWater Housatonic River
LocationAt Int. W/ Crystal Street
RouteCity Street 0
Coordinates42.33278, -73.24639
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.3 US tons
Inventory rating37.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span106 ft (32.3 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,872 (2022)
Projected traffic4,106 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 with deck rehabilitation or replacement
Estimated improvement cost$5.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill ST over Water Housatonic River built?

It was built in 1973, making it 52 years old in 2025.

What condition is HWY Mill ST over Water Housatonic 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 2023.

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

About 2,872 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY Mill ST over Water Housatonic River?

The structure is 109 ft (33.2 m) long with a longest span of 106 ft (32.3 m) and a deck 53 ft wide.

Who owns HWY Mill ST over Water Housatonic River?

It is owned by the Town or Township Highway Agency.