US Bridges

ST111 Hollis ST over Water Nissitissit River

Fair

Middlesex County, Massachusetts · 200 Ft S of Nashua RD · Structure no. P0600528UDOTNBI

Built
1958
67 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
6,900
2023 count
Owner
State
State Highway Agency

About this bridge

ST111 Hollis ST over Water Nissitissit River is a prestressed concrete stringer/multi-beam or girder carrying ST111 Hollis ST over Water Nissitissit River in Middlesex County, Massachusetts. It was built in 1958, so it is 67 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 6,900 vehicles a day, roughly 2% of them trucks, projected to reach 12,255 by 2031. The structure is 68 ft (20.7 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST111 Hollis ST
CrossesWater Nissitissit River
Location200 Ft S of Nashua RD
RouteState Highway 111
CountyMiddlesex County
StateMassachusetts
Coordinates42.67427, -71.58091
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating37.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length68 ft (20.7 m)
Longest span64 ft (19.5 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2023)
Projected traffic12,255 by 2031
Trucks2%
Lanes on structure3
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST111 Hollis ST over Water Nissitissit River built?

It was built in 1958, making it 67 years old in 2025.

What condition is ST111 Hollis ST over Water Nissitissit 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 December 2024.

How much traffic does ST111 Hollis ST over Water Nissitissit River carry?

About 6,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is ST111 Hollis ST over Water Nissitissit River?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 49 ft wide.

Who owns ST111 Hollis ST over Water Nissitissit River?

It is owned by the State Highway Agency.