US Bridges

HWY N Valley RD over Water Amethyst Brook

Fair

Hampshire County, Massachusetts · 1400 N of Int Amherst RD · Structure no. P040050RLMUNNBI

Built
1953
72 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
33 ft
2 main spans
Daily traffic
1,646
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY N Valley RD over Water Amethyst Brook is a steel culvert carrying HWY N Valley RD over Water Amethyst Brook in Hampshire County, Massachusetts. It was built in 1953, so it is 72 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 1,646 vehicles a day, roughly 6% of them trucks, projected to reach 4,896 by 2032. The structure is 33 ft (10.2 m) long and 113 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY N Valley RD
CrossesWater Amethyst Brook
Location1400 N of Int Amherst RD
RouteCity Street 0
CountyHampshire County
StateMassachusetts
Coordinates42.38067, -72.46537
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length33 ft (10.2 m)
Longest span15 ft (4.6 m)
Deck width113 ft (34.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,646 (2018)
Projected traffic4,896 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$805,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY N Valley RD over Water Amethyst Brook built?

It was built in 1953, making it 72 years old in 2025.

What condition is HWY N Valley RD over Water Amethyst 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 March 2023.

How much traffic does HWY N Valley RD over Water Amethyst Brook carry?

About 1,646 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is HWY N Valley RD over Water Amethyst Brook?

The structure is 33 ft (10.2 m) long with a longest span of 15 ft (4.6 m) and a deck 113 ft wide.

Who owns HWY N Valley RD over Water Amethyst Brook?

It is owned by the Town or Township Highway Agency.