US Bridges

HWY Flint ST over Water North River Canal

Fair

Essex County, Massachusetts · .4 MI Sw. of RT114 · Structure no. S01021AV1MUNNBI

Built
1998
27 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
12,801
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Flint ST over Water North River Canal is a prestressed concrete box beam or girders - multiple carrying HWY Flint ST over Water North River Canal in Essex County, Massachusetts. It was built in 1998, so it is 27 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,801 vehicles a day, roughly 10% of them trucks, projected to reach 12,476 by 2031. The structure is 45 ft (13.8 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Flint ST
CrossesWater North River Canal
Location.4 MI Sw. of RT114
RouteCity Street 0
Coordinates42.52133, -70.90587
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.9 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.8 m)
Longest span45 ft (13.8 m)
Deck width121 ft (36.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,801 (2024)
Projected traffic12,476 by 2031
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Flint ST over Water North River Canal built?

It was built in 1998, making it 27 years old in 2025.

What condition is HWY Flint ST over Water North River Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does HWY Flint ST over Water North River Canal carry?

About 12,801 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is HWY Flint ST over Water North River Canal?

The structure is 45 ft (13.8 m) long with a longest span of 45 ft (13.8 m) and a deck 121 ft wide.

Who owns HWY Flint ST over Water North River Canal?

It is owned by the City or Municipal Highway Agency.