US Bridges

HWY Elm ST over Comb MBTA & Red Ssh

Fair

Norfolk County, Massachusetts · Near Braintree T Station · Structure no. B210264U5MBTNBI

Built
1957
68 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
10,200
2013 count
Owner
State
Other State Agency

About this bridge

HWY Elm ST over Comb MBTA & Red Ssh is a steel stringer/multi-beam or girder carrying HWY Elm ST over Comb MBTA & Red Ssh in Norfolk County, Massachusetts. It was built in 1957, so it is 68 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 10,200 vehicles a day, roughly 2% of them trucks, projected to reach 12,950 by 2032. The structure is 73 ft (22.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Elm ST
CrossesComb MBTA & Red Ssh
LocationNear Braintree T Station
RouteCity Street 0
Coordinates42.22204, -71.00176
Functional classUrban Minor 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 inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.7 US tons
Inventory rating31.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length73 ft (22.4 m)
Longest span73 ft (22.4 m)
Deck width54 ft (16.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2013)
Projected traffic12,950 by 2032
Trucks2%
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

OwnerOther State Agency
Maintained byOther State 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 Elm ST over Comb MBTA & Red Ssh built?

It was built in 1957, making it 68 years old in 2025.

What condition is HWY Elm ST over Comb MBTA & Red Ssh 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 2022.

How much traffic does HWY Elm ST over Comb MBTA & Red Ssh carry?

About 10,200 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is HWY Elm ST over Comb MBTA & Red Ssh?

The structure is 73 ft (22.4 m) long with a longest span of 73 ft (22.4 m) and a deck 54 ft wide.

Who owns HWY Elm ST over Comb MBTA & Red Ssh?

It is owned by the Other State Agency.