US Bridges

HWY Ames ST over Water Charles River

Fair

Norfolk County, Massachusetts · .8 KM Southeast of Rt. 9 · Structure no. D05005APWMUNNBI

Built
2012
13 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
129 ft
6 main spans
Daily traffic
13,400
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Ames ST over Water Charles River is a concrete continuous slab carrying HWY Ames ST over Water Charles River in Norfolk County, Massachusetts. It was built in 2012, so it is 13 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 13,400 vehicles a day, roughly 2% of them trucks. The structure is 129 ft (39.3 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHWY Ames ST
CrossesWater Charles River
Location.8 KM Southeast of Rt. 9
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.25244, -71.17626
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102.2 US tons
Inventory rating61.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2024)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Ames ST over Water Charles River built?

It was built in 2012, making it 13 years old in 2025.

What condition is HWY Ames ST over Water Charles River 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 February 2024.

How much traffic does HWY Ames ST over Water Charles River carry?

About 13,400 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY Ames ST over Water Charles River?

The structure is 129 ft (39.3 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns HWY Ames ST over Water Charles River?

It is owned by the Town or Township Highway Agency.