US Bridges

ST117 Fitchbrg Tpk over Water Sudbury River

Good

Middlesex County, Massachusetts · 0.8 KM E of Sudbury RD · Structure no. C19005ALPDOTNBI

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Arch - Deck
Concrete
Length
92 ft
2 main spans
Daily traffic
19,400
2019 count
Owner
State
State Highway Agency

About this bridge

ST117 Fitchbrg Tpk over Water Sudbury River is a concrete arch - deck carrying ST117 Fitchbrg Tpk over Water Sudbury River in Middlesex County, Massachusetts. It was built in 2009, so it is 16 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 19,400 vehicles a day, roughly 12% of them trucks, projected to reach 19,583 by 2032. The structure is 92 ft (28 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST117 Fitchbrg Tpk
CrossesWater Sudbury River
Location0.8 KM E of Sudbury RD
RouteState Highway 117
Coordinates42.42014, -71.36462
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating76.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,400 (2019)
Projected traffic19,583 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$3.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST117 Fitchbrg Tpk over Water Sudbury River built?

It was built in 2009, making it 16 years old in 2025.

What condition is ST117 Fitchbrg Tpk over Water Sudbury 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 October 2023.

How much traffic does ST117 Fitchbrg Tpk over Water Sudbury River carry?

About 19,400 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is ST117 Fitchbrg Tpk over Water Sudbury River?

The structure is 92 ft (28 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns ST117 Fitchbrg Tpk over Water Sudbury River?

It is owned by the State Highway Agency.