US Bridges

I 190 SB over HWY Prospect ST

Fair

Worcester County, Massachusetts · .8 MI West of ST-12 · Structure no. W170261X6DOTNBI

Built
1979
46 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
13,071
2023 count
Owner
State
State Highway Agency

About this bridge

I 190 SB over HWY Prospect ST is a prestressed concrete stringer/multi-beam or girder carrying I 190 SB over HWY Prospect ST in Worcester County, Massachusetts. It was built in 1979, so it is 46 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 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 13,071 vehicles a day, roughly 6% of them trucks, projected to reach 25,269 by 2032. The structure is 90 ft (27.4 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 190 SB
CrossesHWY Prospect ST
Location.8 MI West of ST-12
RouteInterstate 190
CountyWorcester County
StateMassachusetts
Coordinates42.34319, -71.80231
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment9: Superior to present desirable criteria
Operating rating89.2 US tons
Inventory rating53.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span82 ft (25 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,071 (2023)
Projected traffic25,269 by 2032
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$4.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 190 SB over HWY Prospect ST built?

It was built in 1979, making it 46 years old in 2025.

What condition is I 190 SB over HWY Prospect ST 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 November 2023.

How much traffic does I 190 SB over HWY Prospect ST carry?

About 13,071 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 190 SB over HWY Prospect ST?

The structure is 90 ft (27.4 m) long with a longest span of 82 ft (25 m) and a deck 57 ft wide.

Who owns I 190 SB over HWY Prospect ST?

It is owned by the State Highway Agency.