US Bridges

HWY Union ST WB over Water Monatiquot River

Fair

Norfolk County, Massachusetts · .32 Km.Sw of Middle ST · Structure no. B2103234LDOTNBI

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
52 ft
2 main spans
Daily traffic
14,700
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Union ST WB over Water Monatiquot River is a concrete continuous culvert carrying HWY Union ST WB over Water Monatiquot River in Norfolk County, Massachusetts. It was built in 1957, so it is 68 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 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 14,700 vehicles a day, roughly 2% of them trucks, projected to reach 37,429 by 2032. The structure is 52 ft (15.8 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Union ST WB
CrossesWater Monatiquot River
Location.32 Km.Sw of Middle ST
RouteCity Street 0
Coordinates42.21096, -70.99518
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating69.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length52 ft (15.8 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2023)
Projected traffic37,429 by 2032
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Union ST WB over Water Monatiquot River built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Union ST WB over Water Monatiquot 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 August 2023.

How much traffic does HWY Union ST WB over Water Monatiquot River carry?

About 14,700 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is HWY Union ST WB over Water Monatiquot River?

The structure is 52 ft (15.8 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns HWY Union ST WB over Water Monatiquot River?

It is owned by the State Highway Agency.