US Bridges

HWY Allen ST over Water Mill River

Fair

Hampden County, Massachusetts · Int Rifle ST · Structure no. S240400NCMUNNBI

Built
1875
150 years old, rebuilt 1927
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
28 ft
1 main span
Daily traffic
20,100
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Allen ST over Water Mill River is a masonry arch - deck carrying HWY Allen ST over Water Mill River in Hampden County, Massachusetts. It was built in 1875 and reconstructed in 1927, so it is 150 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 6 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 20,100 vehicles a day, roughly 1% of them trucks, projected to reach 44,220 by 2032. The structure is 28 ft (8.5 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Allen ST
CrossesWater Mill River
LocationInt Rifle ST
RouteCity Street 0
CountyHampden County
StateMassachusetts
Coordinates42.0971, -72.56368
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating47.7 US tons
Inventory rating47.6 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width68 ft (20.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,100 (2019)
Projected traffic44,220 by 2032
Trucks1%
Lanes on structure4
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$863,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Allen ST over Water Mill River built?

It was built in 1875, making it 150 years old in 2025. It was reconstructed in 1927.

What condition is HWY Allen 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 Allen ST over Water Mill River carry?

About 20,100 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is HWY Allen ST over Water Mill River?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 68 ft wide.

Who owns HWY Allen ST over Water Mill River?

It is owned by the City or Municipal Highway Agency.