US Bridges

HWY Morgan ST over Water Stony Brook

Poor

Hampshire County, Massachusetts · .2 Mile East of RTE 116 · Structure no. S180100N1MUNNBI

Built
1949
76 years old
Condition
Poor
inspected October 2023
Type
Arch - Deck
Steel
Length
20 ft
1 main span
Daily traffic
2,974
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Morgan ST over Water Stony Brook is a steel arch - deck carrying HWY Morgan ST over Water Stony Brook in Hampshire County, Massachusetts. It was built in 1949, so it is 76 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,974 vehicles a day, roughly 6% of them trucks, projected to reach 3,885 by 2032. The structure is 20 ft (6.1 m) long and 35 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesHWY Morgan ST
CrossesWater Stony Brook
Location.2 Mile East of RTE 116
RouteCity Street 0
Coordinates42.25238, -72.57354
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,974 (2019)
Projected traffic3,885 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 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$737,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Morgan ST over Water Stony Brook built?

It was built in 1949, making it 76 years old in 2025.

What condition is HWY Morgan ST over Water Stony Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does HWY Morgan ST over Water Stony Brook carry?

About 2,974 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is HWY Morgan ST over Water Stony Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns HWY Morgan ST over Water Stony Brook?

It is owned by the Town or Township Highway Agency.