US Bridges

US 20 W Main ST over Water Walker Brook

Fair

Hampden County, Massachusetts · @ Hamden ST Intersection · Structure no. C110280AVDOTNBI

Built
1924
101 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
2,342
2016 count
Owner
State
State Highway Agency

About this bridge

US 20 W Main ST over Water Walker Brook is a concrete tee beam carrying US 20 W Main ST over Water Walker Brook in Hampden County, Massachusetts. It was built in 1924, so it is 101 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 2,342 vehicles a day, roughly 9% of them trucks, projected to reach 3,790 by 2032. The structure is 43 ft (13.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 20 W Main ST
CrossesWater Walker Brook
Location@ Hamden ST Intersection
RouteU.S. Route 20
CountyHampden County
StateMassachusetts
Coordinates42.27786, -72.98014
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span36 ft (11 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,342 (2016)
Projected traffic3,790 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 W Main ST over Water Walker Brook built?

It was built in 1924, making it 101 years old in 2025.

What condition is US 20 W Main ST over Water Walker Brook 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 US 20 W Main ST over Water Walker Brook carry?

About 2,342 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is US 20 W Main ST over Water Walker Brook?

The structure is 43 ft (13.1 m) long with a longest span of 36 ft (11 m) and a deck 56 ft wide.

Who owns US 20 W Main ST over Water Walker Brook?

It is owned by the State Highway Agency.