US Bridges

HWY Speen ST NB over HWY Ramps D & G

Fair

Middlesex County, Massachusetts · 0.8 MI West Rts 9 & 27 · Structure no. N03034292DOTNBI

Built
1977
48 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
1 main span
Daily traffic
15,000
2013 count
Owner
State
State Highway Agency

About this bridge

HWY Speen ST NB over HWY Ramps D & G is a steel stringer/multi-beam or girder carrying HWY Speen ST NB over HWY Ramps D & G in Middlesex County, Massachusetts. It was built in 1977, so it is 48 years old, younger 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 15,000 vehicles a day, roughly 6% of them trucks, projected to reach 23,690 by 2032. The structure is 104 ft (31.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Speen ST NB
CrossesHWY Ramps D & G
Location0.8 MI West Rts 9 & 27
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.29875, -71.37694
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.8 m)
Longest span91 ft (27.7 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2013)
Projected traffic23,690 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Speen ST NB over HWY Ramps D & G built?

It was built in 1977, making it 48 years old in 2025.

What condition is HWY Speen ST NB over HWY Ramps D & G 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 HWY Speen ST NB over HWY Ramps D & G carry?

About 15,000 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is HWY Speen ST NB over HWY Ramps D & G?

The structure is 104 ft (31.8 m) long with a longest span of 91 ft (27.7 m) and a deck 39 ft wide.

Who owns HWY Speen ST NB over HWY Ramps D & G?

It is owned by the State Highway Agency.