US Bridges

HWY Lincoln RD over Water Sudbury River

Poor

Middlesex County, Massachusetts · 2 MI E of Concord RD · Structure no. S3100124WMUNNBI

Built
1992
33 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
114 ft
7 main spans
Daily traffic
1,551
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Lincoln RD over Water Sudbury River is a wood or timber stringer/multi-beam or girder carrying HWY Lincoln RD over Water Sudbury River in Middlesex County, Massachusetts. It was built in 1992, so it is 33 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,551 vehicles a day, roughly 6% of them trucks, projected to reach 2,843 by 2031. The structure is 114 ft (34.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Lincoln RD
CrossesWater Sudbury River
Location2 MI E of Concord RD
RouteCity Street 0
Coordinates42.39638, -71.36472
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.2 US tons
Inventory rating24.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadH 20
Structure length114 ft (34.7 m)
Longest span16 ft (4.9 m)
Deck width27 ft (8.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,551 (2023)
Projected traffic2,843 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Lincoln RD over Water Sudbury River built?

It was built in 1992, making it 33 years old in 2025.

What condition is HWY Lincoln RD over Water Sudbury River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does HWY Lincoln RD over Water Sudbury River carry?

About 1,551 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is HWY Lincoln RD over Water Sudbury River?

The structure is 114 ft (34.7 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.

Who owns HWY Lincoln RD over Water Sudbury River?

It is owned by the Town or Township Highway Agency.