US Bridges

HWY Frontage RD over Comb I90 Rps&hov&amtk

Good

Suffolk County, Massachusetts · .5 MI S I-90 EB · Structure no. B1668182PDOTNBI

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
1,233 ft
7 main spans
Daily traffic
4,534
2018 count
Owner
State
State Highway Agency

About this bridge

HWY Frontage RD over Comb I90 Rps&hov&amtk is a prestressed concrete continuous segmental box girder carrying HWY Frontage RD over Comb I90 Rps&hov&amtk in Suffolk County, Massachusetts. It was built in 2002, so it is 23 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 4,534 vehicles a day, roughly 8% of them trucks, projected to reach 7,884 by 2032. The structure is 1,233 ft (375.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Frontage RD
CrossesComb I90 Rps&hov&amtk
Location.5 MI S I-90 EB
RouteState Lands Road 900
Coordinates42.34635, -71.05866
Functional classUrban Collector

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans7
Design loadHS 20
Structure length1,233 ft (375.7 m)
Longest span216 ft (65.9 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,534 (2018)
Projected traffic7,884 by 2032
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$32.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Frontage RD over Comb I90 Rps&hov&amtk built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY Frontage RD over Comb I90 Rps&hov&amtk 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 August 2023.

How much traffic does HWY Frontage RD over Comb I90 Rps&hov&amtk carry?

About 4,534 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is HWY Frontage RD over Comb I90 Rps&hov&amtk?

The structure is 1,233 ft (375.7 m) long with a longest span of 216 ft (65.9 m) and a deck 34 ft wide.

Who owns HWY Frontage RD over Comb I90 Rps&hov&amtk?

It is owned by the State Highway Agency.