US Bridges

US 20 W Main ST over Water Br Walker Brook

Good

Hampden County, Massachusetts · Mile Marker 33.9 · Structure no. C11033BCQDOTNBI

Built
2013
12 years old
Condition
Good
inspected February 2025
Type
Frame
Concrete
Length
42 ft
1 main span
Daily traffic
2,008
2021 count
Owner
State
State Highway Agency

About this bridge

US 20 W Main ST over Water Br Walker Brook is a concrete frame carrying US 20 W Main ST over Water Br Walker Brook in Hampden County, Massachusetts. It was built in 2013, so it is 12 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,008 vehicles a day, roughly 10% of them trucks. The structure is 42 ft (12.8 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 20 W Main ST
CrossesWater Br Walker Brook
LocationMile Marker 33.9
RouteU.S. Route 20
Coordinates42.27401, -72.99957
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.5 US tons
Inventory rating75 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,008 (2021)
Projected traffic—
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 2013, making it 12 years old in 2025.

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

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does US 20 W Main ST over Water Br Walker Brook carry?

About 2,008 vehicles per day (2021 count), of which roughly 10% are trucks.

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

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 47 ft wide.

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

It is owned by the State Highway Agency.