US Bridges

HWY West ST over Water Riddle Brook

Good

Worcester County, Massachusetts · 0.2 M W of ST-16 · Structure no. D090181FCMUNNBI

Built
1956
69 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
3,300
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY West ST over Water Riddle Brook is a prestressed concrete slab carrying HWY West ST over Water Riddle Brook in Worcester County, Massachusetts. It was built in 1956, so it is 69 years old, older 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 3,300 vehicles a day, roughly 8% of them trucks, projected to reach 3,285 by 2031. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY West ST
CrossesWater Riddle Brook
Location0.2 M W of ST-16
RouteCity Street 0
Coordinates42.06961, -71.72119
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating83.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2024)
Projected traffic3,285 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY West ST over Water Riddle Brook built?

It was built in 1956, making it 69 years old in 2025.

What condition is HWY West ST over Water Riddle Brook 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 July 2024.

How much traffic does HWY West ST over Water Riddle Brook carry?

About 3,300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is HWY West ST over Water Riddle Brook?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns HWY West ST over Water Riddle Brook?

It is owned by the Town or Township Highway Agency.