US Bridges

ST 10 College HWY over Water Manhan River

Good

Hampshire County, Massachusetts · 3.4 M S Southhampton T.L. · Structure no. S19009AXADOTNBI

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
13,319
2019 count
Owner
State
State Highway Agency

About this bridge

ST 10 College HWY over Water Manhan River is a prestressed concrete stringer/multi-beam or girder carrying ST 10 College HWY over Water Manhan River in Hampshire 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 13,319 vehicles a day, roughly 7% of them trucks, projected to reach 15,793 by 2032. The structure is 91 ft (27.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST 10 College HWY
CrossesWater Manhan River
Location3.4 M S Southhampton T.L.
RouteState Highway 10
Coordinates42.21698, -72.73096
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length91 ft (27.8 m)
Longest span87 ft (26.5 m)
Deck width42 ft (12.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,319 (2019)
Projected traffic15,793 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 10 College HWY over Water Manhan River built?

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

What condition is ST 10 College HWY over Water Manhan River 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 November 2023.

How much traffic does ST 10 College HWY over Water Manhan River carry?

About 13,319 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is ST 10 College HWY over Water Manhan River?

The structure is 91 ft (27.8 m) long with a longest span of 87 ft (26.5 m) and a deck 42 ft wide.

Who owns ST 10 College HWY over Water Manhan River?

It is owned by the State Highway Agency.