US Bridges

HWY Mill ST over Water Mill River

Fair

Hampden County, Massachusetts · .5M SE of RTE 116 · Structure no. S240380N5MUNNBI

Built
1925
100 years old, rebuilt 1955
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
17,844
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Mill ST over Water Mill River is a steel stringer/multi-beam or girder carrying HWY Mill ST over Water Mill River in Hampden County, Massachusetts. It was built in 1925 and reconstructed in 1955, so it is 100 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 17,844 vehicles a day, roughly 2% of them trucks, projected to reach 8,844 by 2032. The structure is 27 ft (8.1 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Mill ST
CrossesWater Mill River
Location.5M SE of RTE 116
RouteCity Street 0
Coordinates42.09364, -72.56973
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.8 US tons
Inventory rating31.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.1 m)
Longest span23 ft (6.9 m)
Deck width64 ft (19.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,844 (2019)
Projected traffic8,844 by 2032
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mill ST over Water Mill River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1955.

What condition is HWY Mill ST over Water Mill 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 June 2023.

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

About 17,844 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is HWY Mill ST over Water Mill River?

The structure is 27 ft (8.1 m) long with a longest span of 23 ft (6.9 m) and a deck 64 ft wide.

Who owns HWY Mill ST over Water Mill River?

It is owned by the City or Municipal Highway Agency.