US Bridges

HWY Mylod ST over RR Mbta/Csx

Fair

Norfolk County, Massachusetts · .2 MI SW of ST 1A · Structure no. W03010415DOT634

Built
1985
40 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
16,300
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Mylod ST over RR Mbta/Csx is a prestressed concrete slab carrying HWY Mylod ST over RR Mbta/Csx in Norfolk County, Massachusetts. It was built in 1985, so it is 40 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 16,300 vehicles a day, roughly 2% of them trucks, projected to reach 22,110 by 2033. The structure is 51 ft (15.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Mylod ST
CrossesRR Mbta/Csx
Location.2 MI SW of ST 1A
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.16714, -71.22568
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,300 (2024)
Projected traffic22,110 by 2033
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

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$2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Mylod ST over RR Mbta/Csx built?

It was built in 1985, making it 40 years old in 2025.

What condition is HWY Mylod ST over RR Mbta/Csx 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 February 2024.

How much traffic does HWY Mylod ST over RR Mbta/Csx carry?

About 16,300 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY Mylod ST over RR Mbta/Csx?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns HWY Mylod ST over RR Mbta/Csx?

It is owned by the State Highway Agency.