US Bridges

I 495 over ST 28 Wareham ST

Good

Plymouth County, Massachusetts · 3 M W of Carver Tl · Structure no. M18049460DOTNBI

Built
1958
67 years old, rebuilt 1988
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
3 main spans
Daily traffic
41,355
2024 count
Owner
State
State Highway Agency

About this bridge

I 495 over ST 28 Wareham ST is a steel continuous stringer/multi-beam or girder carrying I 495 over ST 28 Wareham ST in Plymouth County, Massachusetts. It was built in 1958 and reconstructed in 1988, so it is 67 years old, older 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 41,355 vehicles a day, roughly 6% of them trucks, projected to reach 71,068 by 2031. The structure is 193 ft (58.8 m) long and 132 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 495
CrossesST 28 Wareham ST
Location3 M W of Carver Tl
RouteInterstate 495
Coordinates41.84634, -70.84978
Functional classUrban Principal Arterial - Interstate

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.8 US tons
Inventory rating40.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span80 ft (24.4 m)
Deck width132 ft (40.1 m)
Roadway width127 ft (38.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,355 (2024)
Projected traffic71,068 by 2031
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 over ST 28 Wareham ST built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1988.

What condition is I 495 over ST 28 Wareham ST 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 December 2024.

How much traffic does I 495 over ST 28 Wareham ST carry?

About 41,355 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is I 495 over ST 28 Wareham ST?

The structure is 193 ft (58.8 m) long with a longest span of 80 ft (24.4 m) and a deck 132 ft wide.

Who owns I 495 over ST 28 Wareham ST?

It is owned by the State Highway Agency.