US Bridges

HWY Cohannet ST over Water Three Mile River

Good

Bristol County, Massachusetts · Just S of JCT RTE 44 · Structure no. T01027ALCMUNNBI

Built
2004
21 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
646
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Cohannet ST over Water Three Mile River is a prestressed concrete box beam or girders - single or spread carrying HWY Cohannet ST over Water Three Mile River in Bristol County, Massachusetts. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 646 vehicles a day, roughly 20% of them trucks, projected to reach 2,053 by 2032. The structure is 70 ft (21.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Cohannet ST
CrossesWater Three Mile River
LocationJust S of JCT RTE 44
RouteCity Street 0
Coordinates41.88591, -71.13406
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span63 ft (19.1 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic646 (2025)
Projected traffic2,053 by 2032
Trucks20%
Lanes on structure2
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Cohannet ST over Water Three Mile River built?

It was built in 2004, making it 21 years old in 2025.

What condition is HWY Cohannet ST over Water Three Mile River 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 February 2025.

How much traffic does HWY Cohannet ST over Water Three Mile River carry?

About 646 vehicles per day (2025 count), of which roughly 20% are trucks.

How long is HWY Cohannet ST over Water Three Mile River?

The structure is 70 ft (21.3 m) long with a longest span of 63 ft (19.1 m) and a deck 32 ft wide.

Who owns HWY Cohannet ST over Water Three Mile River?

It is owned by the City or Municipal Highway Agency.