US Bridges

ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd

Fair

Middlesex County, Massachusetts · West Bridge Smith Rty · Structure no. L150602PCDOTNBI

Built
1954
71 years old, rebuilt 2012
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
5,690
2019 count
Owner
State
State Highway Agency

About this bridge

ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd is a steel stringer/multi-beam or girder carrying ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd in Middlesex County, Massachusetts. It was built in 1954 and reconstructed in 2012, so it is 71 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 5,690 vehicles a day, roughly 9% of them trucks, projected to reach 50,064 by 2033. The structure is 149 ft (45.4 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesST110 SB Smth Rty
CrossesHWY Lowell-Lwrnce Blvd
LocationWest Bridge Smith Rty
RouteState Highway 38
CountyMiddlesex County
StateMassachusetts
Coordinates42.64831, -71.29974
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.7 US tons
Inventory rating44.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length149 ft (45.4 m)
Longest span74 ft (22.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,690 (2019)
Projected traffic50,064 by 2033
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2012.

What condition is ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd 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 November 2023.

How much traffic does ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd carry?

About 5,690 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd?

The structure is 149 ft (45.4 m) long with a longest span of 74 ft (22.6 m) and a deck 48 ft wide.

Who owns ST110 SB Smth Rty over HWY Lowell-Lwrnce Blvd?

It is owned by the State Highway Agency.