US Bridges

US 20 Huntngton RD over Water Potash Brook

Good

Hampden County, Massachusetts · 300 S. of Int W/ RTE 23 · Structure no. R130170B4DOTNBI

Built
1959
66 years old
Condition
Good
inspected October 2023
Type
Arch - Deck
Concrete
Length
41 ft
1 main span
Daily traffic
14,224
2017 count
Owner
State
State Highway Agency

About this bridge

US 20 Huntngton RD over Water Potash Brook is a concrete arch - deck carrying US 20 Huntngton RD over Water Potash Brook in Hampden County, Massachusetts. It was built in 1959, so it is 66 years old, older 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 14,224 vehicles a day, roughly 9% of them trucks, projected to reach 8,370 by 2032. The structure is 41 ft (12.5 m) long and 175 ft wide.

CarriesUS 20 Huntngton RD
CrossesWater Potash Brook
Location300 S. of Int W/ RTE 23
RouteU.S. Route 20
Coordinates42.16431, -72.83196
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width175 ft (53.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,224 (2017)
Projected traffic8,370 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$338,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 20 Huntngton RD over Water Potash Brook built?

It was built in 1959, making it 66 years old in 2025.

What condition is US 20 Huntngton RD over Water Potash 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 October 2023.

How much traffic does US 20 Huntngton RD over Water Potash Brook carry?

About 14,224 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is US 20 Huntngton RD over Water Potash Brook?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 175 ft wide.

Who owns US 20 Huntngton RD over Water Potash Brook?

It is owned by the State Highway Agency.