US Bridges

HWY Cedar ST over RR Mbta/Bmrr

Fair

Middlesex County, Massachusetts · 1.9 KM NW of JCT SR28&38 · Structure no. S17012AE7DOT634

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
9,400
2017 count
Owner
State
State Highway Agency

About this bridge

HWY Cedar ST over RR Mbta/Bmrr is a prestressed concrete box beam or girders - multiple carrying HWY Cedar ST over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1999, so it is 26 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 9,400 vehicles a day, roughly 7% of them trucks, projected to reach 13,424 by 2032. The structure is 78 ft (23.7 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 Cedar ST
CrossesRR Mbta/Bmrr
Location1.9 KM NW of JCT SR28&38
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.39715, -71.10889
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 alignment7: Better than present minimum criteria
Operating rating75.4 US tons
Inventory rating45.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length78 ft (23.7 m)
Longest span73 ft (22.2 m)
Deck width39 ft (11.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2017)
Projected traffic13,424 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Cedar ST over RR Mbta/Bmrr built?

It was built in 1999, making it 26 years old in 2025.

What condition is HWY Cedar ST over RR Mbta/Bmrr 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 October 2023.

How much traffic does HWY Cedar ST over RR Mbta/Bmrr carry?

About 9,400 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is HWY Cedar ST over RR Mbta/Bmrr?

The structure is 78 ft (23.7 m) long with a longest span of 73 ft (22.2 m) and a deck 39 ft wide.

Who owns HWY Cedar ST over RR Mbta/Bmrr?

It is owned by the State Highway Agency.