US Bridges

HWY Barnum RD over Water Bowers Brook

Fair

Middlesex County, Massachusetts · 0.1MI S of ST-110 Rotary · Structure no. A1901125MMUNNBI

Built
1941
84 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
4,820
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Barnum RD over Water Bowers Brook is a concrete continuous slab carrying HWY Barnum RD over Water Bowers Brook in Middlesex County, Massachusetts. It was built in 1941, so it is 84 years old, older 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 4,820 vehicles a day, roughly 6% of them trucks, projected to reach 1,737 by 2032. The structure is 62 ft (18.9 m) long and 49 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHWY Barnum RD
CrossesWater Bowers Brook
Location0.1MI S of ST-110 Rotary
RouteCity Street 0
Coordinates42.55179, -71.57421
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,820 (2022)
Projected traffic1,737 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$2.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Barnum RD over Water Bowers Brook built?

It was built in 1941, making it 84 years old in 2025.

What condition is HWY Barnum RD over Water Bowers Brook 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 December 2023.

How much traffic does HWY Barnum RD over Water Bowers Brook carry?

About 4,820 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY Barnum RD over Water Bowers Brook?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.

Who owns HWY Barnum RD over Water Bowers Brook?

It is owned by the Town or Township Highway Agency.