US Bridges

ST 9 Worcester RD over Water Reservoir Outlet

Good

Middlesex County, Massachusetts · .5 Mi. West of Temple ST · Structure no. F07001BM6DOTNBI

Built
2016
9 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
41,604
2022 count
Owner
State
State Highway Agency

About this bridge

ST 9 Worcester RD over Water Reservoir Outlet is a steel stringer/multi-beam or girder carrying ST 9 Worcester RD over Water Reservoir Outlet in Middlesex County, Massachusetts. It was built in 2016, so it is 9 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 41,604 vehicles a day, roughly 5% of them trucks. The structure is 102 ft (31.2 m) long and 89 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 9 Worcester RD
CrossesWater Reservoir Outlet
Location.5 Mi. West of Temple ST
RouteState Highway 9
Coordinates42.29424, -71.45765
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length102 ft (31.2 m)
Longest span95 ft (29.1 m)
Deck width89 ft (27 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,604 (2022)
Projected traffic—
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 9 Worcester RD over Water Reservoir Outlet built?

It was built in 2016, making it 9 years old in 2025.

What condition is ST 9 Worcester RD over Water Reservoir Outlet 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 January 2025.

How much traffic does ST 9 Worcester RD over Water Reservoir Outlet carry?

About 41,604 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST 9 Worcester RD over Water Reservoir Outlet?

The structure is 102 ft (31.2 m) long with a longest span of 95 ft (29.1 m) and a deck 89 ft wide.

Who owns ST 9 Worcester RD over Water Reservoir Outlet?

It is owned by the State Highway Agency.