US Bridges

ST 70 Lunenburg RD over ST 2

Fair

Worcester County, Massachusetts · Exit 103 / MM103.4 · Structure no. L0201520UDOTNBI

Built
1951
74 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
3 main spans
Daily traffic
8,197
2021 count
Owner
State
State Highway Agency

About this bridge

ST 70 Lunenburg RD over ST 2 is a steel continuous stringer/multi-beam or girder carrying ST 70 Lunenburg RD over ST 2 in Worcester County, Massachusetts. It was built in 1951, so it is 74 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 8,197 vehicles a day, roughly 7% of them trucks, projected to reach 25,269 by 2032. The structure is 184 ft (56.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 70 Lunenburg RD
CrossesST 2
LocationExit 103 / MM103.4
RouteState Highway 0
CountyWorcester County
StateMassachusetts
Coordinates42.51968, -71.6925
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length184 ft (56.1 m)
Longest span60 ft (18.3 m)
Deck width38 ft (11.7 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,197 (2021)
Projected traffic25,269 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 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 ST 70 Lunenburg RD over ST 2 built?

It was built in 1951, making it 74 years old in 2025.

What condition is ST 70 Lunenburg RD over ST 2 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 March 2023.

How much traffic does ST 70 Lunenburg RD over ST 2 carry?

About 8,197 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is ST 70 Lunenburg RD over ST 2?

The structure is 184 ft (56.1 m) long with a longest span of 60 ft (18.3 m) and a deck 38 ft wide.

Who owns ST 70 Lunenburg RD over ST 2?

It is owned by the State Highway Agency.