US Bridges

US 20 Springfld RD over Water Powder Mill Brook

Good

Hampden County, Massachusetts · W of JCT With Union St. · Structure no. W25003AX0DOTNBI

Built
2005
20 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
448 ft
5 main spans
Daily traffic
14,000
2006 count
Owner
State
State Highway Agency

About this bridge

US 20 Springfld RD over Water Powder Mill Brook is a steel continuous stringer/multi-beam or girder carrying US 20 Springfld RD over Water Powder Mill Brook in Hampden County, Massachusetts. It was built in 2005, so it is 20 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 14,000 vehicles a day, roughly 3% of them trucks. The structure is 448 ft (136.5 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 20 Springfld RD
CrossesWater Powder Mill Brook
LocationW of JCT With Union St.
RouteU.S. Route 20
Coordinates42.11248, -72.71377
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.3 US tons
Inventory rating47.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length448 ft (136.5 m)
Longest span96 ft (29.2 m)
Deck width74 ft (22.7 m)
Roadway width65 ft (19.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2006)
Projected traffic—
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$18.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 Springfld RD over Water Powder Mill Brook built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 20 Springfld RD over Water Powder Mill 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 December 2024.

How much traffic does US 20 Springfld RD over Water Powder Mill Brook carry?

About 14,000 vehicles per day (2006 count), of which roughly 3% are trucks.

How long is US 20 Springfld RD over Water Powder Mill Brook?

The structure is 448 ft (136.5 m) long with a longest span of 96 ft (29.2 m) and a deck 74 ft wide.

Who owns US 20 Springfld RD over Water Powder Mill Brook?

It is owned by the State Highway Agency.