US Bridges

ST101 Parker ST over Water Otter River

Fair

Worcester County, Massachusetts · Directly on Templeton T.L · Structure no. G010011Y5DOTNBI

Built
1963
62 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
4,429
2022 count
Owner
State
State Highway Agency

About this bridge

ST101 Parker ST over Water Otter River is a prestressed concrete slab carrying ST101 Parker ST over Water Otter River in Worcester County, Massachusetts. It was built in 1963, so it is 62 years old, younger 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 4,429 vehicles a day, roughly 6% of them trucks, projected to reach 12,319 by 2033. The structure is 39 ft (11.9 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST101 Parker ST
CrossesWater Otter River
LocationDirectly on Templeton T.L
RouteState Highway 101
Coordinates42.57376, -72.01609
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating52.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width68 ft (20.7 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,429 (2022)
Projected traffic12,319 by 2033
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$485,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST101 Parker ST over Water Otter River built?

It was built in 1963, making it 62 years old in 2025.

What condition is ST101 Parker ST over Water Otter River 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 January 2024.

How much traffic does ST101 Parker ST over Water Otter River carry?

About 4,429 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is ST101 Parker ST over Water Otter River?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 68 ft wide.

Who owns ST101 Parker ST over Water Otter River?

It is owned by the State Highway Agency.