US Bridges

HWY Allen ST over Water Mill River

Fair

Hampden County, Massachusetts · At JCT of Central ST · Structure no. S240400N9MUNNBI

Built
1875
150 years old, rebuilt 1927
Condition
Fair
inspected August 2023
Type
Arch - Deck
Masonry
Length
38 ft
1 main span
Daily traffic
7,878
2018 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 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 7,878 vehicles a day, roughly 6% of them trucks, projected to reach 25,269 by 2032. The structure is 38 ft (11.6 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Allen ST
CrossesWater Mill River
LocationAt JCT of Central ST
RouteCity Street 0
Coordinates42.0971, -72.56367
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.1 US tons
Inventory rating48 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width68 ft (20.6 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,878 (2018)
Projected traffic25,269 by 2032
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.4 million (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 August 2023.

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

About 7,878 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is HWY Allen ST over Water Mill River?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 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.