US Bridges

HWY March ST over Comb US 1A Bypass & Mbt

Good

Essex County, Massachusetts · .1MI W ST 1A · Structure no. S0100932QDOT634

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
259
2019 count
Owner
State
State Highway Agency

About this bridge

HWY March ST over Comb US 1A Bypass & Mbt is a steel stringer/multi-beam or girder carrying HWY March ST over Comb US 1A Bypass & Mbt in Essex County, Massachusetts. It was built in 1994, so it is 31 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 259 vehicles a day, roughly 50% of them trucks, projected to reach 812 by 2032. The structure is 94 ft (28.7 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHWY March ST
CrossesComb US 1A Bypass & Mbt
Location.1MI W ST 1A
RouteState Highway 0
Coordinates42.53314, -70.89014
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.6 US tons
Inventory rating64.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length94 ft (28.7 m)
Longest span88 ft (26.8 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic259 (2019)
Projected traffic812 by 2032
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY March ST over Comb US 1A Bypass & Mbt built?

It was built in 1994, making it 31 years old in 2025.

What condition is HWY March ST over Comb US 1A Bypass & Mbt 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 March ST over Comb US 1A Bypass & Mbt carry?

About 259 vehicles per day (2019 count), of which roughly 50% are trucks.

How long is HWY March ST over Comb US 1A Bypass & Mbt?

The structure is 94 ft (28.7 m) long with a longest span of 88 ft (26.8 m) and a deck 34 ft wide.

Who owns HWY March ST over Comb US 1A Bypass & Mbt?

It is owned by the State Highway Agency.