US Bridges

HWY School ST over Comb Kyan ST & Bmrr

Good

Middlesex County, Massachusetts · 0.40 KM S School & Brdway · Structure no. L150102NCDOT634

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
116 ft
2 main spans
Daily traffic
18,491
2019 count
Owner
State
State Highway Agency

About this bridge

HWY School ST over Comb Kyan ST & Bmrr is a steel continuous stringer/multi-beam or girder carrying HWY School ST over Comb Kyan ST & Bmrr in Middlesex County, Massachusetts. It was built in 1995, so it is 30 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 18,491 vehicles a day, roughly 5% of them trucks, projected to reach 27,164 by 2032. The structure is 116 ft (35.4 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY School ST
CrossesComb Kyan ST & Bmrr
Location0.40 KM S School & Brdway
RouteState Highway 0
Coordinates42.64074, -71.32515
Functional classUrban Minor Arterial

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 inspectionSeptember 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 rating94.2 US tons
Inventory rating56.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span72 ft (21.9 m)
Deck width49 ft (14.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,491 (2019)
Projected traffic27,164 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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$2.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY School ST over Comb Kyan ST & Bmrr built?

It was built in 1995, making it 30 years old in 2025.

What condition is HWY School ST over Comb Kyan ST & Bmrr 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 September 2023.

How much traffic does HWY School ST over Comb Kyan ST & Bmrr carry?

About 18,491 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is HWY School ST over Comb Kyan ST & Bmrr?

The structure is 116 ft (35.4 m) long with a longest span of 72 ft (21.9 m) and a deck 49 ft wide.

Who owns HWY School ST over Comb Kyan ST & Bmrr?

It is owned by the State Highway Agency.