US Bridges

ST169 Southbrdg RD over Water Cady Brook

Fair

Worcester County, Massachusetts · 1.3MI.N.OF Southbridg Tl. · Structure no. C060151Y7DOTNBI

Built
1948
77 years old, rebuilt 1956
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
11,270
2022 count
Owner
State
State Highway Agency

About this bridge

ST169 Southbrdg RD over Water Cady Brook is a concrete frame carrying ST169 Southbrdg RD over Water Cady Brook in Worcester County, Massachusetts. It was built in 1948 and reconstructed in 1956, so it is 77 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 5 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 11,270 vehicles a day, roughly 5% of them trucks, projected to reach 28,664 by 2032. The structure is 30 ft (9.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST169 Southbrdg RD
CrossesWater Cady Brook
Location1.3MI.N.OF Southbridg Tl.
RouteState Highway 169
Coordinates42.11935, -72.00886
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,270 (2022)
Projected traffic28,664 by 2032
Trucks5%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST169 Southbrdg RD over Water Cady Brook built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1956.

What condition is ST169 Southbrdg RD over Water Cady 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 June 2023.

How much traffic does ST169 Southbrdg RD over Water Cady Brook carry?

About 11,270 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is ST169 Southbrdg RD over Water Cady Brook?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 44 ft wide.

Who owns ST169 Southbrdg RD over Water Cady Brook?

It is owned by the State Highway Agency.