US Bridges

HWY Idlewell ST over RR MBTA

Good

Norfolk County, Massachusetts · .32 KM NW Commercial St. · Structure no. W320069PVDOT634

Built
2006
19 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
2,974
2025 count
Owner
State
State Highway Agency

About this bridge

HWY Idlewell ST over RR MBTA is a prestressed concrete continuous slab carrying HWY Idlewell ST over RR MBTA in Norfolk County, Massachusetts. It was built in 2006, so it is 19 years old, younger 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 2,974 vehicles a day, roughly 4% of them trucks, projected to reach 3,474 by 2032. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Idlewell ST
CrossesRR MBTA
Location.32 KM NW Commercial St.
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.22852, -70.95525
Functional classUrban Local

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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span47 ft (14.3 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,974 (2025)
Projected traffic3,474 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Idlewell ST over RR MBTA built?

It was built in 2006, making it 19 years old in 2025.

What condition is HWY Idlewell ST over RR MBTA 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 January 2025.

How much traffic does HWY Idlewell ST over RR MBTA carry?

About 2,974 vehicles per day (2025 count), of which roughly 4% are trucks.

How long is HWY Idlewell ST over RR MBTA?

The structure is 92 ft (28 m) long with a longest span of 47 ft (14.3 m) and a deck 34 ft wide.

Who owns HWY Idlewell ST over RR MBTA?

It is owned by the State Highway Agency.