US Bridges

HWY River ST over Water Concord River

Fair

Middlesex County, Massachusetts · .8 M SE of RTE 3 · Structure no. B12002ANJMUNNBI

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
2 main spans
Daily traffic
12,900
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY River ST over Water Concord River is a steel continuous stringer/multi-beam or girder carrying HWY River ST over Water Concord River in Middlesex County, Massachusetts. It was built in 2003, so it is 22 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 6 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 12,900 vehicles a day, roughly 5% of them trucks, projected to reach 9,160 by 2032. The structure is 150 ft (45.7 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY River ST
CrossesWater Concord River
Location.8 M SE of RTE 3
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.55749, -71.28256
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span72 ft (21.9 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2021)
Projected traffic9,160 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$5.1 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was HWY River ST over Water Concord River built?

It was built in 2003, making it 22 years old in 2025.

What condition is HWY River ST over Water Concord 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 June 2023.

How much traffic does HWY River ST over Water Concord River carry?

About 12,900 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is HWY River ST over Water Concord River?

The structure is 150 ft (45.7 m) long with a longest span of 72 ft (21.9 m) and a deck 37 ft wide.

Who owns HWY River ST over Water Concord River?

It is owned by the Town or Township Highway Agency.