US Bridges

HWY Thompson ST over Water Powwow River

Good

Essex County, Massachusetts · 1.2MI N of RT.495 · Structure no. A07004AY0MUNNBI

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
387
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Thompson ST over Water Powwow River is a prestressed concrete slab carrying HWY Thompson ST over Water Powwow River in Essex County, Massachusetts. It was built in 2005, so it is 20 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 387 vehicles a day, projected to reach 812 by 2032. The structure is 49 ft (14.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Thompson ST
CrossesWater Powwow River
Location1.2MI N of RT.495
RouteCity Street 0
Coordinates42.85781, -70.93644
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.7 US tons
Inventory rating55.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.8 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2019)
Projected traffic812 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Thompson ST over Water Powwow River built?

It was built in 2005, making it 20 years old in 2025.

What condition is HWY Thompson ST over Water Powwow River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does HWY Thompson ST over Water Powwow River carry?

About 387 vehicles per day (2019 count).

How long is HWY Thompson ST over Water Powwow River?

The structure is 49 ft (14.8 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns HWY Thompson ST over Water Powwow River?

It is owned by the Town or Township Highway Agency.