US Bridges

ST 9 E Main ST over Water Coys Brook

Fair

Worcester County, Massachusetts · 0.1MI E of Fstr Hll RD · Structure no. W1900518VDOTNBI

Built
1901
124 years old, rebuilt 1987
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

ST 9 E Main ST over Water Coys Brook is a prestressed concrete slab carrying ST 9 E Main ST over Water Coys Brook in Worcester County, Massachusetts. It was built in 1901 and reconstructed in 1987, so it is 124 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,500 vehicles a day, roughly 10% of them trucks, projected to reach 17,925 by 2032. The structure is 25 ft (7.6 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 9 E Main ST
CrossesWater Coys Brook
Location0.1MI E of Fstr Hll RD
RouteState Highway 9
CountyWorcester County
StateMassachusetts
Coordinates42.23369, -72.13415
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic17,925 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$749,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 9 E Main ST over Water Coys Brook built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1987.

What condition is ST 9 E Main ST over Water Coys Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does ST 9 E Main ST over Water Coys Brook carry?

About 10,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is ST 9 E Main ST over Water Coys Brook?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns ST 9 E Main ST over Water Coys Brook?

It is owned by the State Highway Agency.